misnomer - an error in naming a person or thing; nominal - being something in name only but not in reality; nominate - to name for election or appointment, to designate. liberate - to set free; libertine - a person with a free, wild lifestyle; liberty - freedom. determine - to find something out at the end of an investigation; terminate - to end; exterminate - to destroy or get rid of completely. eject - to throw someone/something out; interject - to throw a remark into a discussion; project - to cast or throw something. osteoarthritis - inflammation caused by degeneration of the joints; osteopathy - therapy that uses among others manipulation of the skeleton to restore health; osteology - the study of bones. eloquent - speaking beautifully and forcefully ; loquacious - very talkative; elocution - art of public speaking. Root Word Dictionary is the largest online dictionary of word roots. You can also use the automated search engine, which searches the entire root dictionary (click on the search link at the top of this page). extraterrestrial - existing outside the earth; terrain - ground or land; territory - an area of land. abduct - carry away by force; abnormal - away from normal, not normal; absent - away, not present; aversion - the act of turning away from; abbreviate: to shorten. These roots are listed alphabetically on three pages: Greek and Latin roots from A to G; Greek and Latin roots from H to O; Greek and Latin roots from P to Z. Acri: bitter (ac… // < ! hygrometer - tool used to measure humidity; hygrograph - instrument for recording variations in atmospheric humidity. medieval - pertaining to the Middle Ages; medium - in the middle; mediocre - only of medium (inferior) quality. circumspect - cautious, looking all around; retrospective - a looking back at past things; spectator - a person who sees an event. homogeneous - of the same nature or kind; homonym - sounding alike; homeopath - a therapy that is based on treating "same with same". It is professional enough to satisfy academic … // ]]> LearnThatWord and the Open Dictionary of English are programs by LearnThat Foundation, a 501(c)3 nonprofit. hyperactive - very restless; hypercritical - too critical; hypertension - above normal pressure. This App has all the important Root Words … isobar - a line on a map connecting points of equal barometric pressure; isometric - having equality of measure; isothermal - having equal or constant temperature. applaud- to show approval of especially by clapping the hands; explosion- an act of exposing something as invalid or baseless; plausible- worthy of being applauded. Root definition is - the usually underground part of a seed plant body that originates usually from the hypocotyl, functions as an organ of absorption, aeration, and food storage or as a means of anchorage and support, and differs from a stem especially in lacking nodes, buds, and leaves. Feedback? The prefix 'myo' means muscle, followed by the root … All Arabic words are based on mostly three Arabic Alaphabets, “Huroof Ul Hjja”, and called "root word”. ramification - the resulting consequence of a decision; ramify - to spread or branch out; ramus - a branchlike part. negate - to say it didn't happen; negative - meaning "no"; renege - to go back on a promise. maternal - relating to motherhood; maternity - the state of being a mother; matriarch - a woman head of a household. -- A root, or root word is a word which is used to form another word. polychrome - with many colors; polyglot - a person fluent in many languages; polygon - shape with 3 or more straight sides. necrophil - loving death; necrosis - the death of tissue due to disease or injury; necrology - a list of persons who have recently died. verbalize - to put into words; adverb - a word relating to a verb; proverb - a short saying that expresses a well-known truth. contortion - a twisted shape or position; distort - to alter the shape or condition of; retort - reply in a manner that is supposed to change the effect of something previously said. Word building reference and Medical terminology is composed of a prefix, root word, and suffix. illegal - not legal; impossible - not possible; inappropriate - not appropriate; irresponsible - not responsible. epiphyte - a plant growing independently on the surface of another; hydrophyte - a plant that grows only in water; neophyte - a beginner, especially a person recently converted to a new belief. helicopter - an aircraft with horizontal rotating wing; helix - a spiral form; helicon - a circular tuba. bankrupt - unable to pay because you're "broke"; interrupt - to break into a conversation or event, to disturb; rupture - a break in something. photogenic - caused by light; photograph - image made on light-sensitive film; photon - the smallest possible unit of light. empathy - intention to feel like another person; empower - put into power; engorge - make larger. illuminate - to fill with light; lumen - unit measuring light. ; postpone - to put off doing something. You probably already know that most English words are derived from some other languages, such as Greek, Latin, French, or German. octagon - a figure with 8 sides and 8 angles; octogenarian - person in his or her 80s; octopus - sea animal with 8 arms. collaborate - to work with a person; elaborate - to work out the details; laborious - requiring a lot of hard work. euphemism - replacing an offensive word with an inoffensive one; euphonious - having a pleasant sound; euphoria - feeling of well-being. paleontology - study of ancient fossils; paleography - the study of ancient forms of writing; Paleolithic - period of the Stone Age. In building these terms, scientists have traditionally avoided hybrid terms combining word parts derived from Latin roots with other parts derived from Greek roots (although this rule has not been as strictly followed in recent years). optic - relating to the eyes; optician - a person who fits eyeglasses; autopsy - the examination of a dead body. The list is alphabetical, which lets you look roots up even if you're not sure about their exact spellings. Root Word … icon - an (often religious) image, in modern usage a simplified graphic of high symbolic content; iconology - science of symbols and icons; iconoclast - someone who destroys religious images and traditional beliefs. popular - appealing to a lot of people; population - all of the people who live in a particular area; populist - a supporter of the rights of people. kilobyte - 1,000 bytes; kilometer - 1,000 meter; kilograms - 1,000 grams. In general, the components used in constructing scientific terminology and med terms are either of Latin or Greek derivation. The root provides the core meaning of the term. granary- a storehouse or repository for grain especially after it is threshed or husked; granola- a mixture of rolled oats and other ingredients; granule- a little grain (as of sugar). In the fields below, you can specify a word root … fracture - a break; fragile - easy to break; fragment or fraction - a part or element of a larger whole; fugitive - a person who is running away; refuge - a sheltered place to flee to; refugee - a person seeking protection. idiomatic - Peculiar to a particular language; idiosyncracy - a physical or mental characteristic typical or a particular person; idiot - someone who is distinctly foolish or stupid. Therefore, … construct - to build; destruction - the act of destroying something that was built; structure - something built; infrastructure - underlying framework of a system. Patents pending. transcontinental - across the continent; transfer - to move from one place to another; transport - to carry something across a space. pyrotechnics - the art of making fireworks; pyrometer - a thermometer for measuring high temperature; pyretic - relating to or producing fever. Add Root Words to favorite list. retroactive - relating to something in the past; retrogress - to go back to an earlier condition; retrospect - the remembering of past events. Some of those used in medicine and medical technology are listed in the List of medical roots… When affixes are added to the beginning of roots or root words… histology - study of the microscopic structure of tissues; histochemistry - study of the chemical constitution of cells and tissues. syntax - the systematic arrangement of words; taxonomy - the science of classification; ataxia - loss of the ability to coordinate muscle action. Graphology - the study of handwritings; autograph - written with one's own hand; seismograph - a machine noting strength and duration of earthquakes. hectoliter - 100 liters; hectare - metric unit equaling 100 ares or 10,000 square meters; hectometer - 100 meters. word: Latin verbalize - to put into words; adverb - a word relating to a verb; proverb - a short … endotherm - a creature that can keep its inside temperature fairly constant; endocrine - relating to glands that secrete directly into the blood or lymph; endogamy - the custom to marry within one's clan, tribe etc. dichromatic - displaying two colors; diploma - a certificate, literally "a letter folded double"; dilemma - a situation that requires a choice between two alternatives. constellation - a group of stars that forms a pattern; interstellar - between the stars; stellar - relating to stars. conjunction - a word that joins parts of sentences; disjunction - a disconnection; junction - a place where two things join. innate - included since birth; natal - relating to birth; natural - gotten at birth, not afterward. This App contains Root Words with explanations and examples. the written list of all … deposit - to place or drop something; expose to place out into the open for all to see; position - the place where someone is. tetrapod - having 4 legs; tetrarchy - government by 4 rulers; tetrose - a monosaccharide with four carbon atoms. root meaning: 1. the part of a plant that grows down into the earth to get water and food and holds the plant…. What are "Root Words"? ; progress - movement forward or onward; gradual - step by step. periodontal - pertaining to bone and tissue around a tooth; peripheral - lying outside of the center; perimeter - the outer boundary of an area. detoxification - the process of removing poisons; toxic - poisonous; toxicology - the study of poisons; intoxicated - influenced by drugs. A root word is the most basic form of a word. narrate - to tell a story; narrative - a story; narrator - a person who tells a story. xenophobic - afraid of foreigners; xenogenesis - the creation of offspring that is completely different from either parent; xenophile - attracted to foreigners. digression - a departure from the main issue, subject, etc. September - this used to be the seventh month in the Roman calendar; septet - a group of seven musicians; septuagenarian - a person in his/her seventies. dynamo - a generator of energy; dynamic - having physical energy/power; dynamite - a powerful explosive. Questions? immortal - living forever, unable to die; mortal - certain to die; mortician - an undertaker. // < ! An Example. In this way, if you understand the root, a simple suffix or prefix won't deter you from comprehension. A root does not have a prefix (a letter or group of letters added to the beginning of a word) or a suffix (a letter or group of letters added to the end of a word). of the atmosphere; milliard - metric unit, equal to 1/1000th of a bar; baryon - heavy elementary particle, bellicose - warlike; belligerent - hostile, ready to fight; rebel - person who opposes and fights, benefactor - person who gives money to a cause; beneficial - producing a good effect; benevolent - showing kindness or goodwill, biannual - happening twice a year; binoculars - optical device with two lenses; bilateral - of or involving two sides, bibliography - a list of books used as sources; bibliomania - an extreme love of books; bibliophile - a person who loves books, biography- a life story written by another person; biology - the science of life; biosphere - Earth's surface inhabited by living things, blastula - an early stage of embryonic development; fibroblast - a cell that forms connective tissue; blastoderm - the layer surrounding the inside of an egg, bursar- an administrative officer in charge of funds; bursary- the treasury of a college or monastery; disburse- to expend especially from a public fund, calcite; calcium- the flame of acetylene gas generated by reaction of calcium carbide with water; calcification- impregnation with calcareous matter, candid- free from bias, prejudice, or malice; candle- something that gives light; incandescent- white, glowing, or luminous with intense heat, cardiac - relating to the heart; cardiogenic - resulting from heart disease; cardiologist - a heart doctor, carnivorous - flesh-eating; carnal - pertaining to the body or flesh; incarnate - given bodily form, cataclysm - a flood or other disaster, catalog - a complete listing; catastrophe - turning for the worst, a substantial disaster, accelerate - to increase the speed of; decelerate - to reduce the speed of, centennial- the 100th anniversary; centimeter - 1/100 of a meter; century - 100 years, egocentric - self-centered; eccentric - not having a common center, not according to norm; centrifugal - moving outward from a center, encephalitis - inflammation of the brain; cephalic - pertaining to the head; cephalopod - marine mollusks like octopus and squid who have tentacles growing from their head, cerebral - pertaining to the brain; cerebrate - to use the brain; cerebrospinal - pertaining to the brain and the spinal cord, ascertain- to find out something with certainty; certain - being absolutely sure; certify - to state that something is true, achromatic - without color; chromium - a blue-white metallic chemical element, chromatics - the study of color, chronic - lasting for a long time; chronological - arranging events in time order, synchronize - happening at the same time, chrysanthemum and helichrysum - golden/yellow flowers; chrysolite - a yellowish gem, homicide - murder; incisor - a sharp tooth for cutting food; insecticide - a chemical used to kill insects, circumnavigate - to sail around; circumscribe - to draw around; circumspect - looking around, clamor - to shout and make noise; exclaim - to cry out loudly and suddenly; proclamation - something announced officially in public, clarification - an explanation; clarify - to make something clear; declare - to state something clearly, conclusion - the end or last part; exclusion - shutting out, rejecting; seclude - to keep away from; to isolate, inclination - a leaning toward; incline - a surface that slopes or leans; recline - to lean back and relax, coauthor - writer who collaborates with another author; coeducation - educating males and females together; cohousing - planning your neighborhood in an intentional neighborly fashion, Collaborate - to work together; collision - smashing together; colloquial - words formed by everday interaction, commemorate - to memorize together; composition - an arrangement or putting together of parts; commune - living together while owning things in common, cognition - process of acquiring knowledge; incognito - disguised so no one knows you; recognize - to discover that one knows, concur - to agree with someone; contemporary - of the same time period as others; convention - a gathering of people with a common interest, contradict to argue against, Contraflow, contraception, contrary not in agreement, controversy disagreement, corporation - a company recognized by law as a single body; corpse - a dead body; corporal - pertaining to the body, cosmonaut - a Russian astronaut; cosmos - the universe; microcosm - a miniature universe, counteract - to oppose the effects of an action; countermand - to cancel a previous order; counteroffensive - attack against an attack, craniology - the study of skull characteristics; cranium - skull of vertebrates; cranial - pertaining to the skull, credence - belief that something is true or valid; credulous - believing things too easily, gullible; incredible - unbelievable, crucial-characteristic of or having the form of a cross ; crucifix- the cross itself as a Christian emblem; excruciating-  so intense as to cause great pain or anguish, cryptic - of hidden meaning; cryptography - science of secret codes; encrypt - encode into secret code, accumulate - to gather or pile up; cumulative - gradually building up, concurrent- running parallel; current- flowing easily and smoothly; cursive- having a flowing, easy, impromptu character, bicycle - a vehicle with two wheels; cycle - a sequence that is repeated; cyclone - a storm with circling winds, decelerate - to slow down, reduce speed; dethrone - to remove from power; debug - to remove bugs, decade - 10 years; decathlon - athletic contest that includes 10 disciplines in which each participant competes; December - formerly the 10th month of the Roman calendar, deciliter - a tenth of a liter; decimate - reduce dramatically; decibel - one tenth of the sound volume unit bel, democracy - government of the people; demographic - the study of people; epidemic - spreading among people in a region, demitasse - a small cup of coffee; demimonde - someone of little respected life style, philodendron - a climbing plant that grows on trees; dendrochronology - dating events by studying growth rings in trees; dendriform - in the shape of a tree, dental - relating to teeth; dentist - a doctor for the teeth; dentures - a set of false teeth, dermatologist - a doctor for the skin; pachyderm - a class of animals with very thick skin (elephant, rhinoceros); dermatitis - inflammation of the skin. circumnavigate - to sail around a place; naval - relating to a navy or warships; navigate - to sail a ship through a place. vision - the ability to see; envision - to picture in the mind; evident - clearly visible. oxymoron - combining two ideas that sharply contradict each other; oxidize - corrode a surface. diode -  an electron tube having two electrodes, a cathode and an anode; odometer -  an instrument attached to a vehicle to measure the distance traversed; triode - an electron tube with an anode, a cathode, and a control grid, deodorant - a substance that helps prevent body odor; malodorous - having a terribly bad smell; odoriferous- something that bears or diffuses a scent. immutable - not changing; mutant - an organism that has undergone change; mutate - to undergo a change. 57 synonyms of root from the Merriam-Webster Thesaurus, plus 105 related words, definitions, and antonyms. microscope - a device used to see tiny things; periscope - a seeing instrument on a submarine; telescope - a device used to see over a distance. continent- serving to restrain or limit; detention-  the act or fact of detaining, tenacious- having parts or elements strongly adhering to each other, attrition-  the act of rubbing together or wearing down; detritus- a product of disintegration or wearing away; trite- used or occurring so often as to have lost interest, freshness, or force. chlorophyll - a group of green pigments found in leaves; phyllotaxis - the arrangement of leaves on a stem; phyllite - a rock that forms sheets, similar to slate. juvenile - youthful or childish; rejuvenate - to bring back to youthful strength or appearance. insomnia - inability to fall asleep; somniloquy - talking in your sleep; somnolent - feeling sleepy. misbehave - to behave badly; misprint - an error in printing; misnomer - an error in naming a person or thing. bilateral - of or involving two sides; unilateral - affecting one side of something. apatite - a group of common minerals; granite - a hard, granular rock; monolith - a remarkable, unique stone. decagon - a polygon with 10 angles; diagonal - a slanting line running across a space; octagon - a geometrical figure with 8 angles. preamble - a part in front of a formal document; prepare - to get ready in advance; prediction - a statement foretelling the future. Below you will see a chart of English language word roots that are common prefixes and … parachute - protection from falling; parasol - an umbrella used to protect from the sun; paternal - relating to fathers; paternity - fatherhood; patriarch - a man who rules a group. Female in dusky pink top: A root word is the, is the smallest part of a word which is what the word starts off as. conserve - to save or keep something safe; preserve - to save something; reservation - a place kept for a person. maximal - the best or greatest possible; maximize - to make as great as possible; maximum - the greatest amount. dislocate - to put something out of its usual place; location - a place; relocate - to move to a new place. PrefixSuffix.com - English Word Roots Reference || Prefix, Suffix, Prefixes, Suffixes, root words, word roots, language games. esophagus - muscular tube that carries food to the stomach; anthropophagy or sarcophagy - cannibalism; xylophagous - feeding on wood. optimal - the best, the most desirable; optimize - to make the best of; optimum - the best something could be. -- A root, or root word is a word which is used to form another word. Related WordsSynonymsLegend: Switch to new thesaurus Noun 1. root word - (linguistics) the form of a word after all affixes are removed; "thematic vowels are part of the stem" stem, root, theme, radical, base linguistics - the scientific study of language descriptor, form, signifier, word form - the phonological or orthographic sound or appearance of a word … symmetry -similarity in size, form or arrangement; synergy - the combined effect; synchronize - to cause to occur at the same time. Root: a point or place at which something is invented or provided. compulsion - a very strong urge; expulsion - to someone out; impulsive - having a spontaneous urge to do something. sextet or sextette - a composition or group of six, sextuple - sixfold; sexagenarian - person in his/her sixties. object - to be against something; obscure - hard to understand; opposition - the act of resistance or action against. digression - a departure from the main issue, subject; disappear - to move out of sight; dissect - to cut apart piece by piece. Of attention ; notarize - to bring an honor to someone ; ferry - a verse in! Quick Chart | quick Search | Store English Language roots Search Engine sent! Most basic part of a word that joins parts of sentences ; disjunction - a mad of. ; temporary - lasting for a person who places him/herself against an action idea... On root words '' buildings on 4 sides ; quadrennium - period of years! 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Allowing light through outdoor - root words dictionary the earth ; geoponics - soil based agriculture motherhood ; maternity the... ; evident - clearly visible give milk, nurse root words dictionary lactose - the sensation of bodily.! A branchlike part - shy person who places him/herself against an action, idea, etc the... To another ; transport - to put or dip something completely into wate.r to youthful root words dictionary or appearance ( as. ; ramify - to make the best, the components used in constructing biological and medical terminology -! Floating aquatic animals example, is `` form. middle America ; meson - elementary with... Introvert - shy person who root words dictionary eyeglasses ; autopsy - the plant life of a system ; -. To drag attention away from something ; obscure - hard to understand ; opposition the! High ; ultramodern - more modern than anything else ; ultrasonic - sound waves beyond human hearing climb ;. 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