数学英语专业术语词汇

数学英语专业术语词汇数学专业术语词汇代数部分1.有关数学运算add，plus加subtract减difference差multiply,times乘product积divide除divisible可被整除的dividedevenly被整除dividend被除数，divisor因子，除数quotient商remainder余数factorial阶乘power乘方radicalsign,rootsign根号roundto四舍五入increase增加reduce减少3.有关代数式、方程和不等式value值equation方程algebraicterm代数项liketerms,similarterms同类项satisfy满足numericalcoefficient数字系数literalcoefficient字母系数inequality不等式triangleinequality三角不等式range值域originalequation原方程equivalentequation同解方程，等价方程linearequation线性方程(e.g.5x+6=22)4.有关分数和小数fraction分数properfraction真分数improperfraction假分数mixednumber带分数vulgarfraction，commonfraction普通分数simplefraction简分数complexfraction繁分数numerator分子denominator分母(least)commondenominator（最小）公分母quarter四分之一decimalfraction纯小数infinitedecimal无穷小数recurringdecimal循环小数percent百分之5.基本数学概念average平均数maximum/minimumnumber最大/最小数square平方arithmeticmean算术平均值weightedaverage加权平均值geometricmean几何平均数exponent指数，幂base乘幂的底数,底边cube立方数，立方体squareroot平方根cuberoot立方根commonlogarithm常用对数digit数字notmorethan不大于lessthan小于units’digit个位数字sum和represent代表adjacent相邻的constant常数variable变量inversefunction反函数complementaryfunction余函数linear一次的，线性的factorization因式分解absolutevalue绝对值，e.g.｜-32｜=32roundoff四舍五入6.有关数论number数naturalnumber自然数positivenumber正数negativenumber负数oddinteger,oddnumber奇数eveninteger,evennumber偶数integer,wholenumber整数positiveinteger正整数positivewholenumber正整数negativewholenumber负整数consecutivenumber连续整数realnumber,rationalnumber实数,有理数irrational（number）无理数inverse倒数compositenumber合数e.g.4,6,8,9,10,12,14,15……primenumber质数e.g.2,3,5,7,11,13,15……注意：所有的质数(2除外)都是奇数，但奇数不一定是质数reciprocal倒数commondivisor公约数multiple倍数(least)commonmultiple(最小)公倍数(prime)factor(质)因子commonfactor公因子decimalsystem十进制nonnegative非负的tens十位units个位mode众数median中数commonratio公比7.数列sequence数列arithmeticprogression(sequence)等差数列geometricprogression(sequence)等比数列consecutive连续的8.其它approximate近似(anti)clockwise(逆)顺时针方向cardinal基数ordinal序数directproportion、directratio正比distinct不同的estimation估计，近似parentheses括号proportion比例permutation排列combination组合table表格trigonometricfunction三角函数unit单位,位figure图表几何部分1.所有的角corner角alternateangle内错角correspondingangle同位角verticalangle对顶角centralangle圆心角interiorangle内角exteriorangle外角asupplementaryangle补角complementaryangle余角adjacentangle邻角acuteangle锐角obtuseangle钝角rightangle直角roundangle周角straightangle平角includedangle夹角2.所有的三角形triangle三角形regulartriangle正三角形equilateraltriangle等边三角形scalenetriangle不等边三角形isoscelestriangle等腰三角形righttriangle直角三角形oblique斜三角形inscribedtriangle内接三角形3.有关收敛的平面图形，除三角形外semicircle半圆concentriccircles同心圆quadrilateral四边形pentagon五边形hexagon六边形heptagon七边形octagon八边形nonagon九边形decagon十边形icosagon正二十边形polygon多边形parallelogram平行四边形equilateral等边形plane平面square正方形，平方rectangle长方形regularpolygon正多边形rhombus菱形trapezoid梯形4.其它平面图形arc弧line,straightline、beeline直线linesegment线段parallellines平行线segmentofacircle弧形5.有关立体图形cube立方体，立方数rectangularsolid长方体regularsolid/regularpolyhedron正多面体circularcylinder圆柱体cone圆锥sphere球体solid立体的octahedron八面体6.有关图形上的附属物perimeter周长area面积altitude高depth深度side边长circumference,perimeter周长radian弧度surfacearea表面积volume体积arm直角三角形的股crosssection横截面centreofacircle圆心chord弦radius半径anglebisector角平分线diagonal对角线diameter直径edge棱faceofasolid立体的面hypotenuse斜边includedside夹边leg三角形的直角边medianofatriangle三角形的中线base底边，底数（e.g.2的5次方，2就是底数）opposite直角三角形中的对边midpoint中点endpoint端点vertex(复数形式vertices)顶点tangent切线的transversal截线intercept截距shadedregion阴影区7.有关坐标coordinatesystem坐标系rectangularcoordinate直角坐标系origin原点abscissa横坐标ordinate纵坐标numberline数轴quadrant象限slope斜率complexplane复平面8.其它planegeometry平面几何trigonometry三角学bisect平分circumscribe外切inscribe内切intersect相交perpendicular垂直parallel平行Pythagoreanproposition勾股定理congruent全等的multilateral多边的measure度量其它1.单位类cent美分penny一美分硬币nickel5美分硬币dime一角硬币dozen打（12个）score廿(20个)Centigrade摄氏Fahrenheit华氏quart夸脱gallon加仑(1gallon=4quart)yard码meter米micron微米inch英寸foot英尺minute分(角度的度量单位，60分=1度)squaremeasure平方单位制cubicmeter立方米pint品脱(干量或液量的单位)2.有关文字叙述题，主要是有关商业intercalaryyear(leapyear)闰年(366天)commonyear平年(365天)depreciation折旧downpayment直接付款discount打折margin利润profit利润interest利息simpleinterest单利compoundedinterest复利dividend红利decreaseto减少到decreaseby减少了increaseto增加到increaseby增加了denote表示listprice标价markup涨价percapita每人ratio比率retailprice零售价