英语词根词缀小结英语单词很多都是派生词，记住一些词根和词缀对扩大词汇量有很大帮助。

Prefixes:（前缀）Meaning: （意义）Example: （例词）1.be- to make, cause to be becalm, belittle2. out- beyond outnumber, outsize3. fore- before, far (away) foretell, foreword4. mal- bad, evil maltreat, malfunction5. extra- outside, outward extrasolar, extraofficial6. plac- to please, appease,soothe placate, placid7. ambi- both ambiguous, ambit8. pseudo- false pseudonym, pseudology9. hyper- above, beyond hypersensitive, hyperoxide10. hypo- under, beneath, down hyposensitize, hypotension11. mis- wrong, unfavorable misuse, mispolicy12. de- away, from, negative decentre, decompose, deform13. eu- good eugenics, euphonic14. di- two dichotomy, diatomic15. dif- away, apart diffract, diffuse16. ad-, al- to, toward adhere, allote17. e-, ex- out eject, exclude, exit18. ab- away, from absent, absorption19. com-, con-, col-,co- together, with commemorate, conference20. in-, im-, in, into, on intake, import21. in-, im-, il-, ir- not invisible, impossibleillogical, irregular22. micro- small microwave23. pre- before prehistoric, preschool24. re-, retro- backward, back, behind return, retroact25. ante- before anteroom, antetype26. circum- around circumstance, circumaviate27. contra, anti- against, opposite contradict, antiwar28. inter- between international, interstate29. intro-, intra- within introspection30.sub-, suc-, suf-, under substandard, succeed, suffix,sug-, sup-, sus- suggest, supplement, suspend31,super-, supra-, sur- above, over supermarket, supranatioal,surface32. tra-, trans- across tradition, transplant33. a-, an- no, without, lacking atypical, anelectric34. bene- well benefit35. bi- two bicycle,bilingual36. multi- manymulticolor,multilingual37. semi- half semicircle,semi-official38. tri- three triangular, tricar39.uni- one uniform40. re- again retell, rewrite Suffixes:（后缀）1. (n.) -age state, quality,act shortage, advantage2. (n.) -er, -or one who writer, actor3. (n.) -tion, -ation conditon, the act of pollution, education4. (n.) -ance, ancy state, quality, act importance, performance. (n.) -ence, ency confidence, frequency5. (n.) -ant, -ent one who, that which applicant, correspondent6. (n.) -crat a person connected with democrat7. (adj.\n.) - arian variously denoting age, humanitarian, vegetariansec-social belief of oc-cupation,having the quality of8. (n.) -ee the one who (passive) employee, examinee9. (n.) -er\-or the one who (active) employer, examiner10.(n.) -al act arrival, survival (adj.) of national, political11. (adj.) -able, ible, -ble capable of, fit for lovable,edible12.(adj.) -ous, ious, ose full of, of the nature of dangerous, curious13. (v.) -en to make deepen, widen(adj.) having the quality of golden, wooden14. (v.) -fy to make beautify, simplify15. (v.) -ize\-ise to make modernize, popularize16.(adj.) -ic relating to, having the nature poetic, logic17.(n.) -ism the thing which,action or tourism,criticismpractice, state or condition(n.) -ist one who dentist, tourist 18. (n.\adj.) -oid like, resembling spheroid, crystalloid19.(adj.) -ful having the quality of cheerful20.(adj.) -ish related to, like childish, selfish21 .(adj.) -ite related to definite22.（n.）-ia disease, state, quality hysteria, militia23.(n.) –ster a person of a certain type songster, roadster24. (n.) –ship state, quality, rank friendship, leadership25. .(n.) –ary\ory a place for library, lavatory26. (v.) -fy cause to become pury, simplify27. (n.) –arium a place for aquarium, auditorium-orium28. (n.) –cracy rule by, rule of democracy, bureaucracy29. (v.) –ate cause to become liberate, fascinate30. (n.) -age amount of mileage, tonnage31. (n.) –ery state, qaulity, act robbery, scenery, refinery32. (n.) –hood state, quality neighborhood, falsehood33. (n.) –ity state, quality density, maturity34. (adj.) –ose abounding in, full of glucose, verbose(adj.)35. (adj.) –some showing a stated quality troublesome, fearsome36. (adj.) –y state, quality, act smoky, jealousy, inquiry37. (adj.) –wise in the manner of clockwisein the direction of sidewise38 (n.) –et, -let, -en little, smallRoots: （词根）1. –ag-, -act- do, drive activate, agitate2. –audi-, -audit- hear audible, auditorium3. –chron- time chronic, chronometer4. –dic-, -dict- say, speak indicate, predict5. –graph-,-gram- write, writing photograph, telegram6.-log- -ology speech, word, study dialogue, biology7. –metr-,-meter measure micrometer8. –phon- sound telephone9. –scop- see, look at macroscopic10. –scope- instrument for seeing microscope, baroscopeor observing11. –scrib-, -script- write, writing describe, transcript12. –spect- look at spectator13. –chrom- color polychrome, chromatic14. –duc- leadinduce,introduce15. –flect- bend deflect16. –mit-, -miss- send, let go transmit, emission17. –port- carry, take portable, transportation18. –alter-, -al-, -all- other alternate, alien, parallel19. –am- love amiable20. –anim- spirit, mind, lifeanimate,animism21. –spir- breathe respiratory22. –tele- far telegram23. –vene-, -vent- come adventure24. –voc-, -vok- call vociferous25. –cap-, -cip-, take, hold captive, recipient-cept-, -ceive- except, perceive26. –cede-, -ceed-, -cess- go, move, yieldprecedence,processor27. –cent- hundred percent28. –pod-, -ped- foot tripod, pedal29. –therm-, -thermo- heat thermos30. -ver(i)- true verify31. –arch(y)- chief, first archbishop32. –fac(t)-, -fec(t)- make, do factual, perfect33. –gam- marriage monogamy34. –man-, -manu- hand manuscript35. –path(o)- ,-pathy- felling, suffering, disease pathology, sympathy36. –bio- life biology37. –aster-, -astro- star astronomy38. –cycle- circle cyclometer , bicycle39. –mega- great megadeath40. –mort- death mortality41. –psych(o)- mind psychology42. -soph- wise sophiscate43. –puls- to drive, push impulse44. -nat- to be born nativity, nature45. –opt- choose, best option, opt46. –fract-, -frag- to break fracture, fragile47. –cav- care cave, cavity48.-tor- twist tortuous, distort49. -bene- good, well benefit50. –fid- faith confidence, confide51. –nov- new novelty, innovate52. –vac(u)-, -vac- empty vacancy, vacuum53. –gen- origin, birth, race, kind genetic,genocide54. –vers-, -vert- change, turn convert, reversal55. –equ- equal equation, subequal56. –voc-, -vok- voice, cry vocal, provoke57. –par- equal parity, imparity58. –pend-, -pens- hang, weigh, pay pendant, pensile, append59. –libra- balance, weight, pound libra, librate, libratory60. –anim- mind, life, alive animation, inanimate61. –capit- head capitate62, -corp- body corps, corporate 63. –derm- skin dermic, hypoderm 64, -ge(o)- earth geology, hypogeum65. –hydr(o)- water, liquid hydroelectric, dehydrate66. –lith- stone lithology, zoolith67. –viv-, -vit- live, life vivid, revive, vital68. –cred(o)- believe credible, credit69. –sect- cut section, bisect70. –flu(o)- flow fluid, influx71. –carn- fleshcarnivore,carnivorous72. –fus- pour, melt fuse, fusion73. –sim- similar, copy similar74. –ject- throw eject, project, inject75. –miser- wretched misery, miserable76. –vacillo swing back and forth vacillate77. –nego- deny, negative negate, negativityThe EndLi Minye Sept.4, 2011。