GRE數學是我們的中國考生的拿手好戲,考試難度只有高中數學的難度,通常是考G同學們的滿分沖刺對象。雖然數學知識點簡單,但是對于單詞量少的同學來說很多題目根不看不懂,為此失掉了很多分。接下來為大家準備了數學專有名詞的英文表達,快點收藏起來,學習吧!
一.數學符號Mathematical symbols
等于:equal to,thae same as,is
不等:>more than
<less than
>=no less than
<=no more than
加:add,plus,more than,sum
減:minus,subtract(to take away by or as if by deducting),less than,difference
乘:multiply,times,product(the number or expression resulting from the multiplication together of two or more numbers or expressions)
除:divide,quotient(the number resulting from the division of one number by another)
絕對值:absolute value
平方:square
立方:cube
開平方:square root
開立方:cube root
平行:parallel to
垂直:perpendicular to(a:standing at right angles to the plane of the horizon:exactly upright b:being at right angles to a given line or plane)
二.數字前綴
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
三.方程和函數
方程equation
一元二次方程quadratic(involving terms of the second degree at most)equations
多元一次方程組simultaneous(satisfied by the same values of the variables)linear equations
二元二次方程組simultaneous quadratic equations
解solution,root,zero
變量variable
常量(數)constant(something invariable or unchanging)
項term
系數coefficient(any of the factors of a product considered in relation to a specific factor especially:a constant factor of a term as distinguished from a variable)
函數function
四.數列和集合
等差數列arithmetic(a branch of mathematics that deals usually with the nonnegative real numbers including sometimes the transfinite cardinals and with the application of the operations of addition,subtraction,multiplication,and division to them)progression
等比數列geometric(a:of,relating to,or according to the methods or principles of geometry b:increasing in a geometric progression)progression
集合set
子集subset
序列sequence
序列中的項term
包含序列的首末項inclusive
不包含序列的首末項exclusive
五.排列組合與概率
排列permutation(a:the act or process of changing the lineal order of an ordered set of objects b:an ordered arrangement of a set of objects)
組合combination(an ordered sequence:as a:a sequence of letters or numbers chosen in setting a lock also:the mechanism operating or moved by the sequence b:a rapid sequence of punches in boxing c:any subset of a set considered without regard to order within the subset)
概率probability,possibility
六.數論number theory
數字digit
奇數odd number
偶數even number
整數integer,whole number
正整數positive integer
連續整數consecutive(following one after the other in order)integer
自然數natural number
非零數nonzero
正數positive number
負數negative number
有理數rational(involving only multiplication,division,addition,and subtraction and only a finite number of times)
無理數irrational(a number that can be expressed as an infinite decimal with no set of consecutive digits repeating itself indefinitely and that cannot be expressed as the quotient of two integers)
實數real number
加addition
合數composite(made up of distinct parts)number
質數prime number
因子factor,divisor
公因子common factor
質因數prime factor
公約數common divisior
最大公約數the greatest common divisor GCD
公倍數common multiple
最小公倍數the least common multiple LCM
乘multiply
乘數multiplier
幾倍times
A是B的兩倍twice as many A as B
A是B的3/2倍3/2 as many A as B
A比B多20%,(A-B)/B=20%A is 20%more than B
除以divide
除數divisor
商quotient(the number resulting from the division of one number by another)
余數remainder
整除divisibility
可整除的divisible by,evenly divisible
小數decimals(numbered or proceeding by tens:a:based on the number 10 especially:expressed in or utilizing a decimal system especially with a decimal point b:subdivided into 10th or 100th units)
小數點decimal point
分數fractions(a numerical representation(as 3/4,5/8,or 3.234)indicating the quotient of two numbers)
循環小數reccuring decimal
有限小數terminating decimal
分子numerator(the part of a fraction that is above the line and signifies the number to be divided by the denominator)
分母denominator(the part of a fraction that is below the line and that functions as the divisor of the numerator)
真分數proper faction
假分數improper fraction
帶分數mixed number
個位數units'digit
十位數tens'digit
百位數hundreds'digit
兩位數2-digit number
十進制decimalism,decimal notation,an integer in base 10 notation
十分位tenth,tenths'digit
七.單利、復利和價格
單利simple interest
復利compound interest
成本cost
折扣discount
預付定金;分期付款down payment(a part of the full price paid at the time of purchase or delivery with the balance to be paid later broadly:the first step in a process)
利率interst rate
標價list price
差額margin
漲價mark up
降價mark down
毛利markup(an amount added to the cost price to determine the selling price broadly)
利潤profit
購買價purchasing price
零售價retail value
銷售價sale price
折舊depreciation(to lower the price or estimated value of)
八.代數algebra
算術平均數arithmetic mean
幾何平均數geometric mean
平均數average
中位數median
眾數mode
期望expectation
偏差deviation
方差variance
標準差standard deviation
范圍range
底數base
近似closest approximation
降低后的reduced
下降后的decreased
從...下降到...decrease...to...
下降了decrease by...
增加后的increased
從...增加到...increase...to...
增加了...increase by...
定義define
表示,代表denote(to serve as an indication of)
不同的distinct
表達式expression
用...表達in terms of
最小值minimum,least possible
最大值maximum
人均per capita(equally to each individual)
指數power
正比于proportional to
比率ratio
倒數reciprocal(either of a pair of numbers(as 2/3 and 3/2 or 9 and 1/9)whose product is one broadly)
四舍五入到十分位rounded(to express as a round number―often used with off<11.3572 rounded off to two decimal places becomes 11.36>)to the nearest tenth
連續的successive,in a row
平局tie
兩個數字two digits
九.幾何geometry
坐標coordinate(a:any of a set of numbers used in specifying the location of a point on a line,on a surface,or in space b:any one of a set of variables used in specifying the state of a substance or the motion of a particle or momentum)
橫坐標abscissa(the horizontal coordinate of a point in a plane Cartesian coordinate system obtained by measuring parallel to the x-axis)
縱坐標ordinate(the Cartesian coordinate obtained by measuring parallel to the y-axis)
解析幾何coordinate geometry
斜率slope
y軸截距y-intercept
數軸number lines
象限quadrant
角度degree
銳角acute(characterized by sharpness or severity)angle
直角right angle
鈍角obtuse(not pointed or acute)angle
頂角vertex(vertices)angle
平角straight angle
平分bisect
角平分線angle bisector(e that bisects especially:a straight line that bisects an angle or a line segment)
正北方due(DIRECTLY,EXACTLY)north
長度length
高度altitude,height
大小,維度dimension(a(1):measure in one direction specifically:one of three coordinates determining a position in space or four coordinates determining a position in space and time(2):one of a group of properties whose number is necessary and sufficient to determine uniquely each element of a system of usually mathematical entities(as an aggregate of points in real or abstract space)<the surface of a sphere has two dimensions>also:a parameter or coordinate variable assigned to such a property<the three dimensions of momentum>(3):the number of elements in a basis of a vector space b:the quality of spatial extension:MAGNITUDE,SIZE c:a lifelike or realistic quality d:the range over which or the degree to which something extends:SCOPE―usually used in plural e:one of the elements or factors making up a complete personality or entity:ASPECT)
周長perimeter(a:the boundary of a closed plane figure b:the length of a perimeter)
面積area
距離distance
直線line
線段segment(the finite part of a line between two points in the line)
中點mid point
相交intersect(to meet and cross at a point)
平行線parallel lines
垂直線perpendicular(a:standing at right angles to the plane of the horizon:exactly upright b:being at right angles to a given line or plane)lines
弧arc(degree measurement on the circumference of a circle―used especially in the phrase of arc<11 minutes 3 seconds of arc>)
弧度(弧長/半徑)radian(a unit of plane angular measurement that is equal to the angle at the center of a circle subtended by an arc whose length equals the radius or approximately 57.3 degrees)
中心center
圓circle
圓周長circumference(the perimeter of a circle)
半徑radius(a line segment extending from the center of a circle or sphere to the circumference or bounding surface)
直徑diameter(the length of a straight line through the center of an object)
內切inscribe(to draw within a figure so as to touch in as many places as possible)
外接circumscribe(a:to draw a line around b:to surround by or as if by a boundary)
切線tangent(meeting a curve or surface in a single point if a sufficiently small interval is considered)
順時針clockwise
逆時針counterclockwise(in a direction opposite to that in which the hands of a clock rotate as viewed from in front)
同心圓concentric(having a common center)circle
對角線diagonal(joining two vertices of a rectilinear figure that are nonadjacent or two vertices of a polyhedral figure that are not in the same face)
三角形triangle
直角三角形right triangle
斜邊hypotenuse(the side of a right-angled triangle that is opposite the right angle)
等腰三角形isosceles(having two equal sides)triangle
等邊三角形equilateral(having all sides equal)triangle
三角形的中線median of a triangle
四邊形quadrilateral(a polygon of four sides)
平行四邊形parallelogram(a quadrilateral with opposite sides parallel and equal)
長方形rectangle
正方形square
梯形trapezoid
五邊形pentagon(a polygon of five angles and five sides)
六邊形hexagon(a polygon of six angles and six sides)
八邊形octagon(a polygon of eight angles and eight sides)
十邊形decagon(a plane polygon of 10 angles and 10 sides)
多邊形polygon
正多邊形regular polygon
全等的congruent(congruous,being in agreement,harmony,or correspondence)
面face
邊side
平面plane
交疊overlap(to extend over or past and cover a part of)
正方體cube
長方體rectangular solid
圓柱cylinder(the surface traced by a straight line moving parallel to a fixed straight line and intersecting a fixed planar closed curve)
圓錐cone
球sphere
表面積surface area
體積volume