复习必备资料：09考研英语高频词汇常考前缀

kilo-：thousand

gram——kilogram

meter——kilometer

macro-：large，esp．concerning a whole system rather than particular parts of

economics——macroeconomics

structure——macrostructure

mal-：bad or badly

function——malfunction

treat­——maltreat

micro-：extremely small

computer——microcomputer

electronics——microelectronics

mid-：middle

day——midday

night——midnight

mini-：small；short

bus——minibus

skirt——miniskirt

mis-：bad or badly；wrong or wrongly

fortune——misfortune

understand——misunderstand

mono-：one；single

plane——monoplane

tone——monotone

multi-：more than one；many

purpose——multipurpose

national——multinational

non-：not

resident——non（-）resident

sense——nonsense

out-：outside；beyond

live——outlive

door——outdoor

over-：too much；above；additional

head——overhead

time——overtime

poly-：many

centric——polycentric

syllabic——polysyllabic

post-：later than；after

graduate——postgraduate

war——postwar

pre-：before；in advance

pay——prepay

war——prewar

pro-：in favor of，supporting

America——pro-America

abortion——pro-abortion

re-：again；back to the former state

unite——reunite

use——reuse

self-：by means of oneself or itself；of，to，with，for，or in

oneself or itself

employed——self-employed

taught——self-taught

semi-：half；partly

circle——semicircle

final——semifinal

step-：not by birth but through a parent who has remarried 

mother——stepmother

children——stepchildren

sub-：under，below；less important；part of the stated bigger whole

divide——subdivide

section——subsection

super-：more，larger，greater than usual

market——supermarket

natural——supernatural

tele-：at or over a long distance；by or for television

communication——telecommunication

screen——telescreen

therm（o）-：concerning heat

chemistry——thermochemistry

meter——thermometer

trans-: across，on or to the other side of ; between

Atlantic—transatlantic

plant—transplant

tri-:  three; three times

angular—triangular

cycle—tricycle

ultra-:  beyond; very，extremely

modern—ultramodern

sound—ultrasound

un-:  not

certain—uncertain

fortunate—unfortunate

under-:  too little; below

develop—underdevelop

sea—undersea

uni-:  one，singer

form—uniform

directional—unidirectional

vice-:  next in the rank; below

chairman—vice-chairman

president—vice-president

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