diagonal#[daI5AgEn(E)l] adj. 对角线的 n. 对角线，对角面@joining two vertices of a rectilinear figure that are nonadjacent or two vertices of a polyhedral figure that are not in the same face$%^
diameter#[dai5AmitE] n. 直径@a chord passing through the center of a figure or body
; the length of a straight line through the center of an object$%^adj. diametric&radius 半径
discount#[5dIskaJnt] n. 折扣@a reduction made from the gross amount or value of something$%^Synonym: OFF
disjoint#[dIs5dVCint] adj. 不相交的@having no elements in common$%^intersection 交集&mutually excusive 互斥的，交集为零
divisible#[di5vizEb(E)l] adj. 可整除的@capable of being divided$%^n. divisibility&the greatest common divisor 最大公约数&the least common multiple 最小公倍数
edge#[edV] n. 边，棱@a line or line segment that is the intersection of two plane faces (as of a pyramid) or of two planes$%^side (多边形的)边
end point#[--] n. 终点，端点@either of two points or values that mark the ends of a line segment or interval; also : a point that marks the end of a ray$%^
equation#[I5kweIV(e)n] n. 等式，方程；相等@a usually formal statement of the equality or equivalence of mathematical or logical expressions$%^quadratic equation 二次方程&inequation 不等式&
equilateral#[i:kwi5lAtErEl] adj. (等边的)三角形@having all sides equal <an equilateral triangle>$%^equilateral triangles 等边三角形&isosceles triangles 等腰三角形&right triangles 直角三角形
even#[5i:v(E)n] adj. 双数的，偶数的@being any of the integers (as -2, 0, and +2) that are exactly divisible by two$%^
exponent#[Ik5spEunEnt] n. 指数@a symbol written above and to the right of a mathematical expression to indicate the operation of raising to a power$%^&
face#[feIs] n. 面@$%^side (多面体的)面
factor#[5fAktE(r)] n. 因子@any of the numbers or symbols in mathematics that when multiplied together form a product; also : a number or symbol that divides another number or symbol$%^
factorial#[fAk5tC:rIEl] n. 阶乘，析因@the product of all the positive integers from 1 to n$%^notation:!&0!=1
fraction#[5fAckF(E)n] n. 分数@a numerical representation (as 3/4, 5/8, 3.234) indicating the quotient of two numbers$%^reduce the fraction to the lowest form 化简为最简分数&mix number/fraction 繁分数&improper fraction 假分数&equolent fraction 通分
function#[5fQnkF(E)n] n. 函数@a mathematical correspondence that assigns exactly one element of one set to each element of the same or another set$%^domain of a function 函数的定义域
geometry#[dVI5RmItrI] n. 几何@a branch of mathematics that deals with the measurement, properties, and relationships of points, lines, angles, surfaces, and solids; broadly : the study of properties of given elements that remain invariant under specified transformations$%^Coordinate Geometry 解析几何&original point 原点
hypotenuse#[haI5pCtEnjU:z] n. (直角三角形的)斜边；斜边的长度@the side of a right-angled triangle that is opposite the right angle$%^legs (直角三角形的)直角边
inscribe#[In5skraIb] vt. 内接@to draw within a figure so as to touch in as many places as possible <a regular polygon inscribed in a circle>$%^circumscribe 外切
diameter#[dai5AmitE] n. 直径@a chord passing through the center of a figure or body
; the length of a straight line through the center of an object$%^adj. diametric&radius 半径
discount#[5dIskaJnt] n. 折扣@a reduction made from the gross amount or value of something$%^Synonym: OFF
disjoint#[dIs5dVCint] adj. 不相交的@having no elements in common$%^intersection 交集&mutually excusive 互斥的，交集为零
divisible#[di5vizEb(E)l] adj. 可整除的@capable of being divided$%^n. divisibility&the greatest common divisor 最大公约数&the least common multiple 最小公倍数
edge#[edV] n. 边，棱@a line or line segment that is the intersection of two plane faces (as of a pyramid) or of two planes$%^side (多边形的)边
end point#[--] n. 终点，端点@either of two points or values that mark the ends of a line segment or interval; also : a point that marks the end of a ray$%^
equation#[I5kweIV(e)n] n. 等式，方程；相等@a usually formal statement of the equality or equivalence of mathematical or logical expressions$%^quadratic equation 二次方程&inequation 不等式&
equilateral#[i:kwi5lAtErEl] adj. (等边的)三角形@having all sides equal <an equilateral triangle>$%^equilateral triangles 等边三角形&isosceles triangles 等腰三角形&right triangles 直角三角形
even#[5i:v(E)n] adj. 双数的，偶数的@being any of the integers (as -2, 0, and +2) that are exactly divisible by two$%^
exponent#[Ik5spEunEnt] n. 指数@a symbol written above and to the right of a mathematical expression to indicate the operation of raising to a power$%^&
face#[feIs] n. 面@$%^side (多面体的)面
factor#[5fAktE(r)] n. 因子@any of the numbers or symbols in mathematics that when multiplied together form a product; also : a number or symbol that divides another number or symbol$%^
factorial#[fAk5tC:rIEl] n. 阶乘，析因@the product of all the positive integers from 1 to n$%^notation:!&0!=1
fraction#[5fAckF(E)n] n. 分数@a numerical representation (as 3/4, 5/8, 3.234) indicating the quotient of two numbers$%^reduce the fraction to the lowest form 化简为最简分数&mix number/fraction 繁分数&improper fraction 假分数&equolent fraction 通分
function#[5fQnkF(E)n] n. 函数@a mathematical correspondence that assigns exactly one element of one set to each element of the same or another set$%^domain of a function 函数的定义域
geometry#[dVI5RmItrI] n. 几何@a branch of mathematics that deals with the measurement, properties, and relationships of points, lines, angles, surfaces, and solids; broadly : the study of properties of given elements that remain invariant under specified transformations$%^Coordinate Geometry 解析几何&original point 原点
hypotenuse#[haI5pCtEnjU:z] n. (直角三角形的)斜边；斜边的长度@the side of a right-angled triangle that is opposite the right angle$%^legs (直角三角形的)直角边
inscribe#[In5skraIb] vt. 内接@to draw within a figure so as to touch in as many places as possible <a regular polygon inscribed in a circle>$%^circumscribe 外切
