本博文源于刘洪波老师的《英文字根词源精讲》包含单词前缀dia/dis/duo/en/epi/eu/ex/extra/fore/forth/homo/hyper/hypo/in/inter/kilo/macro等前缀非常精彩！
dia- = through,between,across
diagnosis n.诊断dia-(between) + gnosis(无知的)dialog(ue) n.对话【两人之间的话】dia-(between) + logue(speech) n.独白diameter n.直径dia-(through) + meter(to measure)
dis- = apart,away
disable v.使无能力【剥夺能力】dis-(to deprive of)剥夺 + able(capability)disadvantage n.不利dis-(negative 否定) + advantage(利益，优点)disagree v.意见不合dis-(not) + agree(同意，符合)
duo- = two,double
double adj.双重的dou- = duo-(two) + ble(to fold)doubt = to be of two minds v.怀疑dual adj.二重的du- = duo-(two) + -al(形容词词尾）duel = a combat between two n/v.决斗duplicate adj.完全相同的 【双重】du- = duo-(two) + plic(to fold) + -ate(形容词词尾)
en- = in,into,on,at,near
enact v.制定为法律【做法律】enclose v.围绕encounter v./n.对抗en-(in) + counter = contra-(against)enlarge = to make large v.扩大
epi- = upon,to,besides,among
epic n./adj.叙事诗epic-(upon) + c = cus(narrative)epidemic adj.传染性的epi-(among) + dem(people) + -ic(形容词词尾)episode n.人生插曲epi-(besides) + sode(coming in)
eu- = well
eugenics n.优生学eu-(well) + gen(to bear) + ics(表示学问的词尾euthansia = easy death n.安乐死eu-(well) + thans(to die) + -ia(表示有关医学的词尾)
ex- = out of,fully
example n.例证【拿出】ex-(out) + ample(to take)exclude v.拒绝【关在门外】ex-(out) + clude(to shut) exhibit v.显示 【用手捧出来】ex-(out) + hibit(to have) (习惯)
extra- = beyond
extra = beyond adj.额外的extracurricular adj.课外的extra-(beyond) + curri(to run) + -cular(形容词词尾)extraordinary = beyond ordinary adj.非常的
fore- = before
forefather n.祖先foresee v.先见forward adj.向前的
forth- = towards
forthcoming adj.即将出现的
homo- = same(与hetero-相反)
homogeneous adj.同类的【相同种类】homo-(same)+gene(kind,kin) + -ous(形容词词尾)homonym n.同音异义词【同名】homo-(same) + (o)nym(name)homosexual adj.同性恋的(人)
hyper- = above,beyond含有excess“过度”的意思
hypersonic adj.超音速的hyper-(beyond) + son(sound) + -ic(形容词词尾)hypertension n.高血压
hypo- = under(与hyper-相反)
hypotension n.低血压hypothesis n.假说hypo-(under) + thesis(placed)
in- = in,into,on
include v.包含在内【关在里面】in-(in) + clude(to shut)income n.收入【进来的东西】increase v.增加in-(in)+crease(to grow)
in- = negative(否定) = not
inadequate adj.不适当的in-(not) + adequate(适当的)incomparable adj.不能比较的in-(not) + comparable(可比较的）insane adj.疯狂的in-(not) + sane(神志正常的)
inter- = between,among
interior adj.内部的inter-(among) + -ior(表示比较级的词尾）interrupt v.中断inter-(between) + rupt(to break)intelligence n.智力intel- = inter-(between) + ligence(to choose)
kilo- = thousand
kilogram n.公斤kilometer n.公里
macro- = large(大的),long(长的)
macroeconomics n.总体经济学microeconomics n.微观经济学
mal(e)- = badly,ill(与bene-相反)
malign adj.有害的 【产生恶意】mali-(badly) + gn = gen(to produce)malnourished adj.营养失调的mal-(badly) + nourished (营养的)
mege- = large,million
megabyte n.电脑百万元组mega-(million) + byte(电脑位元组)
micro- = small
microbe n.微生物microeconomics n.微观经济学microphone n.扩音器micro-(small) + phone(sound)microscope n.显微镜micro-(small) + scope(to look)microwave n.微波
milli- = thousand,thousandth
milliliter n.毫升[千万之一升]millimeter n.毫米【千分之一米】
mis- = wrong(ly),bad(ly),ill
mislead v.误导misunderstand v.误解
mono- = single,sole,alone
monochrome n.单色画mono-(single) + chrome(color)monocracy n.独裁统治mono-(alone) + cracy(rule)monopoly n.独占mono-(sole) + poly(to sell)monk n.修道士
multi- = many,much
multicolor n.多种颜色multi-(many) + color(颜色)multiply v.增加multi-(much) + ply(to fold)
ob- = as,towards,at,before,upon,over,about,near,against
object v.反对ob-(towards,against) + ject(to throw)obstruct v.阻隔ob-(over,against) + struct(to build) obvious adj.明白地ob-(near) + vi = via(way) + -ous(形容词词尾)
octa-,octo- = eight,eighth
October = the eighth month of the Roman yearoctopus n.章鱼octo-(eight) + pus(foot)octuple adj.八倍的octu- = octo-(eight) + ple(to told)
out- = out,beyond
outline n.外形outnumber v.数目胜过outwit v.以机智胜过【在才智上取胜】
over- = above,across,beyond
overcome v.击败overhear v.偶然听到overlap n.部分重叠overlook v.俯视
para- = beside,beyond,against,contrary
paragraph n.段para-(beside) + graph(to write)parallel adj.平行线【在彼此的旁边】par- = para-(beside) + allel(one another)parasite n.寄生虫para- (beside) + side(food)
penta- = five
pentagon n.五角形penta-(five) + gon(angle) 美国五角大楼pentagram n.星形penta-(five) + gram(to write)
per- = through,thoroughly,away
perfect adj.无缺的per-(thoroughly) + fect(to make)perplex v.使困扰per-(thoroughly) + plex(to plait编成辫)persist v.固执per-(through) + sist
peri- = around.,round,about
period n.周期peri-(round) od(way)periphery n.周围peri-(around) + pher(to carry) + -y(名词词尾)
poly- = many
polychrome adj.多色的poly-(many) + chrome(color)polygon n.多角形poly-(many) + gon(angle)
post- = after,behind(与ante-相反)
postgraduate adj.大学毕业后的post-(after) = graduate(毕业)postpone v.延期post-(after) + pone(to put)
pre- = before
precacution n.预防predict v.预言pre-(before) + dict(to say)
pro- = for,before,forth,forward
problem n.问题pro-(forward) + blem(casting)progress n.进步project v.发射pro-(forward) + ject(to throw)
quadr- = four
quadruped n.四足兽quadru-(fourfold) + ped(foot)quadruple adj.四倍的quadru-(four times) + ple(to fold)
re- = again,back
rebel v.谋反re-(again) + bel(war)record v.记录re-(again) + cord(heart)
se- = away,apart
select adj.精选的se-(apart) + lect(to choose) separate v.分离se-(qpart) + part(to prepare) + -ate(动词词尾)
semi- = half
semicircle n.半圆形semisconductor n.半导体semi-(half) + conductor(导体)
sep- = seven
September n.九月septuple adj.七倍的
sex- = six
sextuple adj.六重的
sub- = under
subject v.使服从sub-(under) + ject(to throw)substance n.实质sub-(under)+ stan(to stand) + -ce(名词词尾)subtitle n.副标题sub-(under) + title(标题)support v.支持sup- = sub-(under) + port(to carry)suspect v.猜疑sus- = sub-(under) + spect(to look)
super- = above,over
superfical adj.表面的super-(above) + fici(face) + -al(形容词词尾)superior adj.较好的super-(above) + -ior(表比较的词尾)supervise v.监督super-(above) + vise(to see)superface n.表面sur-=super-(over)+facesurname n.姓；别名；绰号sur- = super-(over) + name
syn- = with,together
syndicate n.企业组合syn-(together) + dicate(justice)synthesis n.综合syn-(together) + thesis(putting)sympathy n.同感sym- = syn-(together) + pathy(feeling)
tele- = far off
telegraph n.电报机tele-(far off) + graoh(writing)telephone n.电话tele-(far off) + phone(sound)television n.电视机tele-(far off) + vision (映像)
tetra- = four
tetrahedron n.四面体
trans- = beyond,across ,over
transacion n.办理trans-(across) + act(to drive) + ion(名词词尾)transfer v.调职trans-(across) + fer(to carry)
tri- = three,threefold
triangle n.三角形tri-(three) + angle(角度)tribe n.种族tri-(threee) + be = 拉丁文bus(family)trilogy n.(戏剧、小说、歌剧等的)三部曲tripod n.三脚架tri-(three) + pod(foot)
twi- = two
twice adv.二度twin n.双胞胎之一twist v.卷缠
ultra- = beyond
ultra adj.极端的ultrared adj.红外线的ultraviolet adj.紫外线的
un- = no
unchangeable adj.不变的un-(not) + changeable(易变的)unfortunate adj.不幸的un-(not) + fortunate (幸运的)
un- = the reversal of an action
unearth v.挖掘un- + earth【埋入土中】unlock v.开锁un- + lock【上锁】
under- = under,beneath
undergo v.遭受underlie v.位于....之下undertake v.从事
uni- = one
union n.联合unique adj.唯一的universal adj.一般的uni-(one) + vers(to turn) + -al(形容词词尾)
up- = up,aloft
uphold v.举起upstairs adv.在楼上
vice- = in place of
vice-chairman n.副会长vice-chancellor n.大学副校长
with- = against,back
withdraw= to draw back v.取回withhold = to hold back v.抑制withstand = to stand against v.抵抗
