GRE数学是我们的中国考生的拿手好戏，考试难度只有高中数学的难度，通常是考G同学们的满分冲刺对象。
但是！数学知识点简单，当他们用英语表达出来的时候，你还认识他们本来的模样吗？数学可以，单词不行的童鞋，戳中你的膝盖了吗？
启德考培为大家准备了数学专有名词的英文表达，快点收藏起来，学习吧！
等于：equalto,thaesameas,is
不等：morethan
lessthan
=nolessthan
=nomorethan
加：add,plus,morethan,sum
减：minus,subtract(totakeawaybyorasifbydeducting),lessthan,difference
乘：multiply,times,product(thenumberorexpressionresultingfromthemultiplicationtogetheroftwoormorenumbersorexpressions)
除：divide,quotient(thenumberresultingfromthedivisionofonenumberbyanother)
绝对值：absolutevalue
平方：square
立方：cube
开平方：squareroot
开立方：cuberoot
平行：parallelto
垂直：perpicularto(a:standingatrightanglestotheplaneofthehorizon:exactlyuprightb:beingatrightanglestoagivenlineorplane)
1--uni,mono
2--bi,du,di
3--tri,ter
4--tetra,quad
5--penta,quint
6--hex,sex
7--sept,hapta
8--oct
9--enn
10--dec,deka
方程equation
一元二次方程quadratic（involvingtermsoftheseconddegreeatmost）equations
多元一次方程组simultaneous（satisfiedbythesamevaluesofthevariables）linearequations
二元二次方程组simultaneousquadraticequations
解solution,root,zero
变量variable
常量（数）constant(somethinginvariableorunchanging)
项term
系数coefficient(anyofthefactorsofaproductconsideredinrelationtoaspecificfactorespecially:aconstantfactorofatermasdistinguishedfromavariable)
函数function
等差数列arithmetic(abranchofmathematicsthatdealsusuallywiththenonnegativerealnumbersincludingsometimesthetransfinitecardinalsandwiththeapplicationoftheoperationsofaddition,subtraction,multiplication,anddivisiontothem)progression
等比数列geometric(a:of,relatingto,oraccordingtothemethodsorprinciplesofgeometryb:increasinginageometricprogression)progression
集合set
子集subset
序列sequence
序列中的项term
包含序列的首末项inclusive
不包含序列的首末项exclusive
排列permutation(a:theactorprocessofchangingthelinealorderofanorderedsetofobjectsb:anorderedarrangementofasetofobjects)
组合combination(anorderedsequence:asa:asequenceoflettersornumberschoseninsettingalockalso:themechanismoperatingormovedbythesequenceb:arapidsequenceofpunchesinboxingc:anysubsetofasetconsideredwithoutregardtoorderwithinthesubset)
概率probability,possibility
数字digit
奇数oddnumber
偶数evennumber
整数integer,wholenumber
正整数positiveinteger
连续整数consecutive(followingoneaftertheotherinorder)integer
自然数naturalnumber
非零数nonzero
正数positivenumber
负数negativenumber
有理数rational(involvingonlymultiplication,division,addition,andsubtractionandonlyafinitenumberoftimes)
无理数irrational(anumberthatcanbeexpressedasaninfinitedecimalwithnosetofconsecutivedigitsrepeatingitselfindefinitelyandthatcannotbeexpressedasthequotientoftwointegers)
实数realnumber
加addition
合数composite(madeupofdistinctparts)number
质数primenumber
因子factor,divisor
公因子commonfactor
质因数primefactor
公约数commondivisior
最大公约数thegreatestcommondivisorGCD
公倍数commonmultiple
最小公倍数theleastcommonmultipleLCM
乘multiply
乘数multiplier
几倍times
A是B的两倍twiceasmanyAasB
A是B的3/2倍3/2asmanyAasB
A比B多20%，（A-B）/B=20%Ais20%morethanB
除以divide
除数divisor
商quotient(thenumberresultingfromthedivisionofonenumberbyanother)
余数remainder
整除divisibility
可整除的divisibleby，evenlydivisible
小数decimals(numberedorproceedingbytens:a:basedonthenumber10especially:expressedinorutilizingadecimalsystemespeciallywithadecimalpointb:subdividedinto10thor100thunits)
小数点decimalpoint
分数fractions(anumericalrepresentation(as3/4,5/8,)indicatingthequotientoftwonumbers)
循环小数reccuringdecimal
有限小数terminatingdecimal
分子numerator(thepartofafractionthatisabovethelineandsignifiesthenumbertobedividedbythedenominator)
分母denominator(thepartofafractionthatisbelowthelineandthatfunctionsasthedivisorofthenumerator)
真分数properfaction
假分数improperfraction
带分数mixednumber
个位数units'digit
十位数tens'digit
百位数hundreds'digit
两位数2-digitnumber
十进制decimalism,decimalnotation,anintegerinbase10notation
十分位tenth,tenths'digit
单利simpleinterest
复利compoundinterest
成本cost
折扣discount
预付定金;分期付款downpayment(apartofthefullpricepaidatthetimeofpurchaseordeliverywiththebalancetobepaidlaterbroadly:thefirststepinaprocess)
利率interstrate
标价listprice
差额margin
涨价markup
降价markdown
毛利markup(anamountaddedtothecostpricetodeterminethesellingpricebroadly)
利润profit
购买价purchasingprice
零售价retailvalue
销售价saleprice
折旧depreciation(tolowerthepriceorestimatedvalueof)
算术平均数arithmeticmean
几何平均数geometricmean
平均数average
中位数median
众数mode
期望expectation
偏差deviation
方差variance
标准差standarddeviation
范围range
底数base
近似closestapproximation
降低后的reduced
下降后的decreased
从下降到decreaseto
下降了decreaseby
增加后的increased
从增加到increaseto
增加了increaseby
定义define
表示，代表denote(toserveasanindicationof)
不同的distinct
表达式expression
用表达intermsof
最小值minimum,leastpossible
最大值maximum
人均percapita(equallytoeachindividual)
指数power
正比于proportionalto
比率ratio
倒数reciprocal（eitherofapairofnumbers(as2/3and3/2or9and1/9)whoseproductisonebroadly）
四舍五入到十分位rounded(toexpressasaroundnumber―)tothenearesttenth
连续的successive,inarow
平局tie
两个数字twodigits
坐标coordinate(a:anyofasetofnumbersusedinspecifyingthelocationofapointonaline,onasurface,orinspaceb:anyoneofasetofvariablesusedinspecifyingthestateofasubstanceorthemotionofaparticleormomentum)
横坐标abscissa(thehorizontalcoordinateofapointinaplaneCartesiancoordinatesystemobtainedbymeasuringparalleltothex-axis)
纵坐标ordinate(theCartesiancoordinateobtainedbymeasuringparalleltothey-axis）
解析几何coordinategeometry
斜率slope
y轴截距y-intercept
数轴numberlines
象限quadrant
角度degree
锐角acute(characterizedbysharpnessorseverity)angle
直角rightangle
钝角obtuse(notpointedoracute)angle
顶角vertex(vertices)angle
平角straightangle
平分bisect
角平分线anglebisector(ethatbisectsespecially:astraightlinethatbisectsanangleoralinesegment)
正北方due(DIRECTLY,EXACTLY)north
长度length
高度altitude,height
大小，维度dimension(a(1):measureinonedirectionspecifically:oneofthreecoordinatesdeterminingapositioninspaceorfourcoordinatesdeterminingapositioninspaceandtime(2):oneofagroupofpropertieswhosenumberisnecessaryandsufficienttodetermineuniquelyeachelementofasystemofusuallymathematicalentities(asanaggregateofpointsinrealorabstractspace)thesurfaceofaspherehastwodimensionsalso:aparameterorcoordinatevariableassignedtosuchapropertythethreedimensionsofmomentum(3):thenumberofelementsinabasisofavectorspaceb:thequalityofspatialextension:MAGNITUDE,SIZEc:alifelikeorrealisticqualityd:therangeoverwhichorthedegreetowhichsomethingexts:SCOPE―usuallyusedinplurale:oneoftheelementsorfactorsmakingupacompletepersonalityorentity:ASPECT)
周长perimeter(a:theboundaryofaclosedplanefigureb:thelengthofaperimeter)
面积area
距离distance
直线line
线段segment(thefinitepartofalinebetweentwopointsintheline)
中点midpoint
相交intersect(tomeetandcrossatapoint)
平行线parallellines
垂直线perpicular(a:standingatrightanglestotheplaneofthehorizon:exactlyuprightb:beingatrightanglestoagivenlineorplane)lines
弧arc(degreemeasurementonthecircumferenceofacircle―usedespeciallyinthephraseofarc11minutes3secondsofarc)
弧度（弧长/半径）radian(aunitofplaneangularmeasurementthatisequaltotheangleatthecenterofaci)
中心center
圆circle
圆周长circumference(theperimeterofacircle)
半径radius(alinesegmentextingfromthecenterofacircleorspheretothecircumferenceorboundingsurface)
直径diameter(thelengthofastraightlinethroughthecenterofanobject)
内切inscribe(todrawwithinafiguresoastotouchinasmanyplacesaspossible)
外接circumscribe(a:todrawalinearoundb:tosurroundbyorasifbyaboundary)
切线tangent(meetingacurveorsurfaceinasinglepointifasufficientlysmallintervalisconsidered)
顺时针clockwise
逆时针counterclockwise（inadirectionoppositetothatinwhichthehandsofaclockrotateasviewedfrominfront）
同心圆concentric(havingacommoncenter)circle
对角线diagonal(joiningtwoverticesofarectilinearfigurethatarenonadjacentortwoverticesofapolyhedralfigurethatarenotinthesameface)
三角形triangle
直角三角形righttriangle
斜边hypotenuse(thesideofaright-angledtrianglethatisoppositetherightangle)
等腰三角形isosceles(havingtwoequalsides)triangle
等边三角形equilateral(havingallsidesequal)triangle
三角形的中线medianofatriangle
四边形quadrilateral(apolygonoffoursides)
平行四边形parallelogram(aquadrilateralwithoppositesidesparallelandequal)
长方形rectangle
正方形square
梯形trapezoid
五边形pentagon(apolygonoffiveanglesandfivesides)
六边形hexagon(apolygonofsixanglesandsixsides)
八边形octagon(apolygonofeightanglesandeightsides)
十边形decagon(aplanepolygonof10anglesand10sides)
多边形polygon
正多边形regularpolygon
全等的congruent(congruous,beinginagreement,harmony,orcorrespondence)
面face
边side
平面plane
交叠overlap(toextoverorpastandcoverapartof)
正方体cube
长方体rectangularsolid
圆柱cylinder（thesurfacetracedbyastraightlinemovingparalleltoafixedstraightlineandintersectingafixedplanarclosedcurve）
圆锥cone
球sphere
表面积surfacearea
体积volume
