初中数学英语词汇

Aabnormaldistribution非正态分布(normaldistribution正态分布）acuteangle锐角(rightangle直角；obtuseangle钝角；straightangle平角；perigon周角)acutetriangle锐角三角形add(v.),addition(n.),plus(prep.)加addend加数aggregate集合algebra代数altitude高度amount数量amplitude振幅angle角(acuteangle锐角；rightangle直角；obtuseangle钝角；straightangle平角；perigon周角)arc弧arcsine反正弦arccosine反余弦arctangent反正切arccotangent反余切arcsecant反正割arccosecant反余割area面积arithmetic算术augend,summand被加数average平均数(weightedaverage加权平均数)axiom公理axis轴Bbargraph条形统计图histogram柱形统计图brokenlinegraph折线统计图curvediagram曲线统计图piediagram扇形统计图barycentre(BrE),barycenter(AmE) 重心escentre(BrE),escenter(AmE) 旁心incentre(BrE),incenter(AmE) 内心excentre(BrE),excenter(AmE) 外心 orthocentre(BrE),orthocenter(AmE) 垂心base底(side边；height高)binarysystem二进制brokenlinegraph折线统计图Ccalculation计算calculus微积分carry进位centre(BrE),center(AmE)圆心circle圆circumcircle外切圆(inscribedcircle内切圆)circumference圆周clockwise顺时针（counterclockwise逆时针）coefficient系数coincide重叠combination组合complement补集complexnumber复数(realnumber实数；imaginarynumber虚数)cone圆锥（frustumofacone圆台）congruent全等的（noncongruent不全等的）constant常量(variable变量)coordinates坐标系x-axis,y-axis,z-axis坐标轴 x-coordinate横坐标y-coordinate纵坐标corner角，棱角cosecant余割(secant正割)cosine余弦（sine正弦）cotangent余切（tangent正切）cross十字交叉cube立方体cube三次方，立方cuberoot三次方根，立方根cubicequation三次方程curvediagram曲线统计图bargraph条形统计图histogram柱形统计图brokenlinegraph折线统计图piediagram扇形统计图cylinder圆柱Ddashedline虚线（solidline实线）decagon十边形pentagon五边形hexagon六边形heptagon七边形octagon八边形enneagon九边形hendecagon十一边形dodecagon十二边形polygon多边形decahedron十面体tetrahedron四面体pentahedron五面体 hexahedron六面体parallelepiped平行六面体heptahedron七面体octahedron八面体enneahedron九面体hendecahedron十一面体dodecahedron十二面体icosahedron二十面体 polyhedron多面体decimal小数decimalpoint小数点decimalsystem十进制definiteintegral定积分(indefiniteintegral不定积分)degree角度denominator分母derivative导数determinant行列式diagram图表diameter直径(radius半径)diamond,rhomb,rhombus,rhombi(pl.)菱形dice/die骰子（tóuzǐ）differential微分digit数字distribution分布normaldistribution正态分布 abnormaldistribution非正态分布dividedby(prep.),divide(v.),division(n.)除dividend被除数divisor除数dodecagon十二边形pentagon五边形hexagon六边形heptagon七边形octagon八边形enneagon九边形decagon十边形hendecagon十一边形polygon多边形dodecahedron十二面体tetrahedron四面体pentahedron五面体 hexahedron六面体parallelepiped平行六面体heptahedron七面体octahedron八面体enneahedron九面体decahedron十面体hendecahedron十一面体icosahedron二十面体 polyhedron多面体domain,fieldofdefinition定义域Eedge边，棱element元素ellipse椭圆enneagon九边形pentagon五边形hexagon六边形heptagon七边形octagon八边形decagon十边形hendecagon十一边形dodecagon十二边形polygon多边形enneahedron九面体equals,isequalto,isequivalentto等于equation等式，方程式（inequation不等式）(simpleequation一次方程；quadraticequation二次方程；cubicequation三次方程；quarticequation四次方程)equilateralpolygon正多边形equilateraltriangle等边三角形(isoscelestriangle等腰三角形；obtusetriangle钝角三角形scalenetriangle不等边三角形)equivalentto等于escentre(BrE),escenter(AmE) 旁心incentre(BrE),incenter(AmE) 内心excentre(BrE),excenter(AmE) 外心 orthocentre(BrE),orthocenter(AmE) 垂心 barycentre(BrE),barycenter(AmE) 重心evennumber偶数（oddnumber奇数）evolution,extraction开方excentre(BrE),excenter(AmE) 外心exponent指数，幂extraction,evolution开方Ffacevalue面值faciend,multiplicand被乘数factor因数factorial阶乘fieldofdefinition,domain定义域fold折叠formula,formulae(pl.)公式fraction分数frustumofacone圆台（cone圆锥）frustumofaprism棱台（prism棱柱）function函数Ggeometry几何graph图表bargraph条形统计图histogram柱形统计图brokenlinegraph折线统计图curvediagram曲线统计图piediagram扇形统计图grid格子Hheight高hemisphere半球（sphere球）hendecagon十一边形pentagon五边形hexagon六边形heptagon七边形octagon八边形enneagon九边形decagon十边形dodecagon十二边形polygon多边形hendecahedron十一面体heptagon七边形heptahedron七面体hexadecimalsystem十六进制hexagon六边形hexahedron六面体histogram柱形统计图curvediagram曲线统计图bargraph条形统计图brokenlinegraph折线统计图piediagram扇形统计图hyperbola双曲线(parabola抛物线)hypothesis,hypotheses(pl.)假设hypotenuse斜边(leg直角边)Iicosahedron二十面体illustrate说明，用图说明image图象imaginarynumber虚数（realnumber实数；complexnumber复数）incentre(BrE),incenter(AmE) 内心excentre(BrE),excenter(AmE) 外心escentre(BrE),escenter(AmE) 旁心 orthocentre(BrE),orthocenter(AmE) 垂心 barycentre(BrE),barycenter(AmE) 重心indefiniteintegral不定积分(definiteintegral定积分)inequation不等式infinite(a.)infinity(n.)无穷大infinitesimal无穷小inscribedcircle内切圆(circumcircle外切圆)insignificantdigit无效数字（significantdigit有效数字）integer整数integral积分(definiteintegral定积分；indefiniteintegral不定积分)intersect相交intersection交集irrationalnumber无理数(rationalnumber有理数)isgreaterthan大于islesserthan小于isequalorgreaterthan大于等于isequalorlesserthan小于等于isoscelestrapezoid等腰梯形isoscelestriangle等腰三角形(equilateraltriangle等边三角形；obtusetriangle钝角三角形scalenetriangle不等边三角形)Lleg直角边(hypotenuse斜边)length长limit极限line线（dashedline虚线；solidline实线）locus,loca(pl.)轨迹logarithm对数Mmapping映射mathematics,maths(BrE),math(AmE)

数学matrix矩阵maximum最大的mean平均数median中位数minimum最小的minuend被减数minus(prep.),subtract(v.),subtraction(n.)减monomial单项式monotonicity单调性multiple倍数multiplicand,faciend被乘数multiplicator乘数multiply(v.),multiplication(n.);times(prep.)乘Nnaturalnumber自然数negative负nil,null,zero,nought零noncongruent不全等的（congruent全等）normaldistribution正态分布(abnormaldistribution非正态分布)nought零null零number数numerator分子Oobtuseangle钝角(acuteangle锐角；rightangle直角；straightangle平角；perigon周角)obtusetriangle钝角三角形(equilateraltriangle等边三角形；isoscelestriangle等腰三角形；scalenetriangle不等边三角形)octagon八边形pentagon五边形hexagon六边形heptagon七边形enneagon九边形decagon十边形hendecagon十一边形dodecagon十二边形polygon多边形octahedron八面体oddnumber奇数（evennumber偶数）origin原点operation运算operator运算符orthocentre(BrE),orthocenter(AmE) 垂心barycentre(BrE),barycenter(AmE) 重心escentre(BrE),escenter(AmE) 旁心incentre(BrE),incenter(AmE) 内心excentre(BrE),excenter(AmE) 外心Pparabola抛物线 (hyperbola双曲线)parallel平行parallelepiped平行六面体parallelogram平行四边形quadrilateral四边形rectangle矩形rhomb,rhombus,rhombi(pl.),diamond菱形square正方形parity奇偶性pentagon五边形hexagon六边形heptagon七边形octagon八边形enneagon九边形decagon十边形hendecagon十一边形dodecagon十二边形polygon多边形pentahedron五面体percent百分比percentage百分点percentile百分位数perigon周角(acuteangle锐角；rightangle直角；obtuseangle钝角；straightangle平角)perimeter周长permutation排列period周期periodicity周期性phase相位pi圆周率piediagram扇形统计图histogram柱形统计图curvediagram曲线统计图bargraph条形统计图brokenlinegraph折线统计图plane面plus(prep.),add(v.),addition(n.)加point点polygon多边形polyhedron多面体polynomial,multinomial多项式positive正power乘方thepoweroffour,thefourthpower四次方thepowerofn,thenthpowern次方primefactor质因数prism棱柱（frustumofaprism棱台）probability概率，或然率product积proposition命题propotion比例prove证明pyramid棱锥Pythagoreantheorem勾股定理Qquadraticequation二次方程quadrilateral四边形parallelogram平行四边形rectangle矩形rhomb,rhombus,rhombi(pl.),diamond菱形square正方形quarter四分之一quarticequation四次方程quotient商Rradial射线radian弧度range值域rank排列，排序ratio比，比例rationalnumber有理数(irrationalnumber无理数)realnumber实数（imaginarynumber虚数；complexnumber复数）rectangle矩形parallelogram平行四边形quadrilateral四边形rhomb,rhombus,rhombi(pl.),diamond菱形square正方形radius半径(diameter直径）remainder差rhomb,rhombus,rhombi(pl.),diamond菱形rightangle直角(acuteangle锐角；obtuseangle钝角；straightangle平角；perigon周角)righttriangle直角三角形righttrapezoid直角梯形ring环root方根；方程的根therootoffour,thefourthroot四次方根therootofn,thenthrootn次方根root-mean-squaredeviation,standarddeviation标准差rotation旋转round四舍五入rounddown下舍入roundup上舍入Sscalenetriangle不等边三角形(obtusetriangle钝角三角形；equilateraltriangle等边三角形；isoscelestriangle等腰三角形)secant正割(cosecant余割)segment线段semicircle半圆sector扇形series数列，级数sibling兄弟姐妹side边significance,weight权significantdigit有效数字（insignificantdigit无效数字）simpleequation一次方程similar相似sine正弦（cosine余弦）solid体solidline实线（dashedline虚线）space空间square正方形square二次方，平方（cube三次方，立方；thepoweroffour,thefourthpower四次方thepowerofn,thenthpowern次方）squareroot二次方根，平方根（cuberoot三次方根，立方根；therootoffour,thefourthroot四次方根；therootofn,thenthrootn次方根subtrahend减数）sphere球（hemisphere半球）statistics统计straightangle平角(acuteangle锐角；obtuseangle钝角；rightangle直角；perigon周角)subset子集subtract(v.),subtraction(n.),minus(