The prefix and the suffix can take on different meanings depending on the root word it precedes or succeeds, and therefore they are reliant on the root word and cannot stand alone. infrastructure - underlying framework of a system; infrared - below the regular light spectrum. The root word is also a word in its own right. negate - to say it didn't happen; negative - meaning "no"; renege - to go back on a promise. metaphysics - study of nature and reality; metamorphosis - a complete change of form; metastasis - the transmission of disease to other parts of the body. 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). A prefix is placed at the beginning of a word to modify or change its meaning. ‎This app is designed to help you to learn a list of prefixes, roots, suffixes used in medical terminology, their meanings, and their etymology. arthr-+ -o-+ logy = arthrology. command - an order or instruction; demand - a hard-to-ignore order; mandate - an official order. eject - to throw someone/something out; interject - to throw a remark into a discussion; project - to cast or throw something. Prefixes are added to the beginning of an existing word in order to create a new word with a different meaning. logic - correct reasoning; monologue - a long speech by one speaker;analogy - similarity, especially between things otherwise dissimilar. hydrate - to add water to; hydrophobia - intense fear of water; hydroponics - growing plants in liquid nutrient solution; hydraulic - operated by force created by a liquid. Prefix And Suffix Worksheets With Answers admin June 29, 2020 Some of the worksheets below are Prefix And Suffix Worksheets With Answers, common prefixes and their meanings with exercises, a list of commonly used prefixes and suffixes with questions like draw a box around the suffix in each given problem and underline the root or base word in each problem. When affixes are added to the end of roots or root words, they are called suffixes. Suffix: -al (pertaining to) Meaning: Pertaining to above the margin of the gums. When prefixes are added they modify the meaning of the root words. overconfident - more confident than is appropriate; overstock - more supplies than is desirable; overexcited - ,more excited than one should be. carnivorous - meat-eating; voracious - desiring or eating food in great quantities; devour - to eat quickly. thermal - relating to heat; thermos - an insulated jar that keeps heat in; thermostat - a device that controls heat. liposuction - the mechanical removal of fat reserves in the tissue; lipase - enzyme that breaks down fat; lipoid - resembling fat. purge - remove anything undesirable; purgatory - according to Roman Catholics a place where souls must clean themselves of sin; expurgate - remove objectionable passages from a publication. Un+ Cook+ ed = UnCookEd. Compound Words 4. Email is an example of a word that was itself formed from a new prefix, e-, which stands for electronic. collaborate - to work with a person; elaborate - to work out the details; laborious - requiring a lot of hard work. Available in both color and black/white. Prefix-Suffix-Root List by Grade Level (Generally, prefixes and suffixes change the meanings of roots, but it is usually the suffix that denotes the part of speech.) I can use prefixes and suffixes that I know to help me understand new words. bicentennial - of or relating to an age or period of 200 years; centennial - of or relating to an age or period of 100 years; perennial -lasting through many years. A BIG List of Prefixes and Suffixes and Their Meanings. object - to be against something; obscure - hard to understand; opposition - the act of resistance or action against. 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. 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