常用英语单词词根大全
http://www.51ielts.com 2006-5-17 来源: 【无忧雅思网】

  1) dis(not, the opposite of) disadvantage, dislike, disagree, disappear, disarm, disaster, disastrous, disappoint, disable, disability, discharge, disclose, discount, discourage, discover, discovery, discrepancy, disease, disgrace, disguise, disgust, dishonor, dishonest, dislike, dismay, disorder, dispatch, disperse, displace, displacement, displease, disregard, dissatisfy, distort , distract, disintegrate, isparage, dispassion, disproportionate

  2) in- (not, in, into) inability, incorrect, inability, incapable, indirect, inhuman, injustice, informal, inside, include, inclusive, income, increase, increasingly, incredible, indefinite, independence, independent, indifferent, indirect, indispensable, individual, indoor, inertia , inevitable, infamous , infinite, inhabit , inhabitant, inherent , inject, inland , inlet , inner, innocent, innumerable , input, inquire, inquiry, insane, insensitive, insert, inside, insight, insist, inspect, inspiration , inspire, install, installation, installment , instance, instant, instinct, insulate , intense, interior, internal, into, intrinsic, invade, invalid , invaluable , invariably , invasion, invert , investigate, invisible, involve, inward, incomplete, indecisive, inedible, inept, inevitably, infection, infirm, injection, innate, insatiable, insecurity, insider, insidious

  3) im- (not, in, into) impossible, imbalance, immature, immoral, impatient, implicit , impress, impression, import, immigrate, imprison, immerse

  4) il- (not) illegal, illiterate, illogical ir- (not) irregular, irresponsible, irrespective

  5) un- (not) unable, uncover, undo, undoubtedly, undress , uneasy, unemployment , unexpected, unfold , unfortunately, unimportant, unlike, unload, unusual, unaware, enlightened, unparalleled, unsustainable,

  6) non- (not) nonsmoker, nonexistence, non-cooperation, nonstop, nonmetal, nonresident, nonsense, nonfundamentalist, nonspecialist

  7) mis- (wrong, wrongly) mislead, misspell, misstep, misfortune, misuse, misguided, misinformation

  8) de- (showing the opposite, to remove, to reduce) deform, deface, demobilize, destruction, deforest, denationalize, depress, depression, decode, decrease, degenerate , degrade , descend, descendant , descent

  9) pre- (before, in advance) prefix, pre-historic, precaution, precede , preceding, preclude , predecessor , predict, predominant , preface, prejudice, preliminary, premature , premier , premise , premium , preparation, prepare, prepay, preside , president, presumably, presume , pretext , prevail, prevent, previous, prewar, preconception, prediction, prescientific, presumptively

  10) ante-, (before, in advance) anteroom, ante-Christian, antemeridian, anticipate, antique

  11) fore- (in advance, before, in or at the front) forearm, forehead, foreman, foretell , foresee , forefather , foreleg, forerunner , fore , foremost, forecast, forewarn

  12) ex- (out, out of, former) ex-minister, ex-president, ex-Soviet Union, ex-wife, export, exclude, exclusive, excursion, exhibit, exile , exit, exotic , expand, expansion, expedition , expel , expend , expenditure , expense, explode, explosion, explosive, expose, exposition , exposure, express, expression, extend, extension, extensive, exterior, external, extinct, extra, extract

  13) post- (later than, after) postgraduate, postwar, postmeridian, postpone, postscript

  14) sub- (under, below, less important) sub, subject, subway, subtitle, subdivide, submarine , sub-zero, submerge, submit, subordinate , subscribe , subsection, subsequent, subsidiary , subsidy , substance, substantial, substitute, subtract, suburb, subconsciously, subtly

  15) infra- (below in a range, beyond) infrastructure , infrared

  16) re- (again, back to a former state) react, reaction, recall, recede , receipt, recipient , reclaim , recognize, recognition, record, recorder, recover, recovery, recreation, recur , recycle ,
redundant , reflect, reflection, reflexion, reform, refrain , refresh, refreshment , refund , refute , reinforce, reject, remember, remind, removal, remove, renaissance , renew, repay , repeat, repeatedly, repel , repetition, replace, replacement, represent, representative, repression , reproduce, respect, respond, response, responsibility, responsible, restore, resume, return, reunion , revise, revive

  17) co-, col-, com-, con-, cor- (with together) co-existence, cooperative , co-author, coalition , coherent , coincide , coincidence , collaboration , colleague, collide , collision, collocation, compassion, compassionate, concentric, confederation, conjoin, coordinate, correlate, correlation, correspond

  18) inter- (between, among) interchange, interchangeable, interdependent, interpersonal, interview, interact , interaction, intercourse , interface , interfere, interference, Internet, interrupt, interval, intervene

  19) macro- (large) macroeconomics , macrocosm , macrostructure

  20) micro- (extremely small) microcomputer, microeconomics , microscope, microphone, microsurgery, microelectronics, microbiologist

  21) super- (greater or more than) super, supermarket, supersonic , superman, superpower, supernatural, supervise , superb, superficial, superintendent , superior, superiority , supreme, supersystem

  22) sur- (more than, beyond) surplus, surtax, surface, surpass , surround, survival, survive, suspect

  23) ultra- (beyond, very, too) ultramodern, ultrasound, ultra-violet

  24) auto- (of or by oneself) auto, autocriticism, autoland, automobile, automation , automatic, autobiography , autonomous , autonomy

  25) mal- (bad, badly) malfunction, maltreat , malnutrition , malpractice

  26) tele- (at or over a long distance, by or for television) telegram, television, telegraph, telephone, telecommunications , telescope, telescreen, teleswitch, televise

  28) semi-, hemi- (half) semicircle, semiconductor, semi-colony , semifinal, hemisphere

  29) uni-, mono- (one) uniform, unify , union, unique, unit, unite, unity, universe, universal, university, monologue , monoplane, monopoly , monotone, monotonous , carbon monoxide

  30) bi-, di- (two) biweekly, bicycle, bilateral , billion, bilingual, dialogue, carbon dioxide

  31) tri- (three) tricycle , triangle, triangular, trilogy , triple, trigonometry

  32) quadri-, quadru- (four) quadruple, quadrangle

  33) penta- (five) pentagon, Pentagon, Pentium

  34) hexa- (six) hexagon, hexangular mill- (thousand) millennium, millimeter

  35) sept- (seven) September, Sept-Wolves nona- (nine) nonagon, November

  36) octa- (eight) octagon, octave, octopus, October
  38) deci-, deca- (ten) decade, decimal

  39) centi- (hundredth part) centigrade, centimeter, centipede, century

  40) kilo- (thousand) kilo, kilometer, kilogram (me), kilowatt

  42) multi- (many) multipurpose, multinational, multiple, multiply, multitude

  43)counter-,anti-,contra- (opposite, against counteract, counterattack, counterclockwise, counterrevolutionary, antibiotic, antigravity, antimatter, antiwar, antinuclear, contradict , contradiction, contramissile, contranatural, contrary, contrast, anticonsumerism

  44) mini- (smallest, short) minibus, miniskirt, minimum, minister, ministry, minor, minority, minute

  45) max- (greatest) maximum, maximal, maximize

  46) out- (outside, beyond) outdo, outwit, outlive, outnumber, outdoor, outstanding, outskirts , outward, outcome, outer, outing , outline, outlook, output, outrage , outside

  47) over- (too much, above, additional) overwork, overuse, overtake, overpass , overthrow , overturn , overall, overdue , overhead, overhear , overlook, overseas, overtime

  48) trans- (across, on or to the other side of) transaction , transatlantic, transcend , transfer, transform, transistor , transit , transition , translate, translation, transmission, transmit, transmitter, transparent, transplant, transport, transportation

  49) under- (too little, below) underdevelop, underdevelopment, underestimate, undergraduate, underground, underlie , underline, undersea, underlying , undermine , underneath, underwear

  50) neo- (new) neo-Nazism, neolithic

  51) be- (cause to be or have) befriend, belittle

  52) bio- (life) biology, biography , autobiography, antibiotic, biochemistry, biosphere, biomedical

  53) en- em- (cause to become, put into the stated condition) embody, empower, endanger, enlarge, enrich, encompass, enthrone, entrench

  54) extra- (outside, beyond) extracurricular, extraordinary

  55) mid- (middle) midday, midnight

  56) poly- (many) polycentric, polydirectional, polysyllabic

  57) pseudo- (not real, false) pseudomemory, pseudonym, pseudoscience

  58) thermo- (heat) thermochemistry, thermometer

  59) vice- (next in rank below) vice-chairman, vice-president

  60) aero- (air) aerial , aeroplane, aeronautics, aerospace

  61) cross- (across, going between the stated things and joining them) cross-country, crossbreed

  62) intra- (inside, within; into) intracity, intra-department, intranet

  63) pro- (in favor of, supporting) pro-America, pro-abortion

  64) self- self-employed, self-taught

  65) step- (not by birth but through a parent who has remarried) stepmother, stepchildren
 

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