Arabic numeral
noun
one of the written symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 that are used in the writing systems of many countries to represent numbers
Click any word in a definition or example to find the entry for that word
noun
one of the written symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 that are used in the writing systems of many countries to represent numbers
noun
a series of numbers in which the same number is added to each number to produce the next, for example 3, 6, 9, 12
noun
a number that is used to form a system of counting. The usual system of counting uses base 10, and the binary system used in computers uses base 2.
noun
a number written before a variable (=quantity that can change) that shows how much the variable is to be multiplied by
noun
a number that a group of two or more other numbers can be divided by exactly. 4 is a common factor of 8, 12, and 20
noun
a number that can be divided exactly by two or more other numbers. 12 is a common multiple of 2, 3, and 4
noun
the cube of a number is the larger number that is the result of multiplying the number by itself twice. For example, the cube of 2 is 2 x 2 x 2, which is 8.
noun
the cube root of a number is the smaller number that you multiply by itself twice to make the number. For example, the cube root of 8 is 2.
noun
a number in a counting system based on the number ten that consists of numbers on either side of a decimal point. 0.5, 25.75, and 873.4 are all decimals.
noun
the number that is below the line in a fraction. In ¾, 4 is the denominator. The number above the line is the numerator.
noun
a series of numbers in which each number is multiplied by a particular quantity in order to get the next number, for example 1, 5, 25, 125
noun
the highest number that can be divided exactly into each number in a particular set
noun
in mathematics, a variable whose value does not depend on the value of something else changing
noun
a small number written or printed above and to the right of a number. It shows how many times the main number is to be multiplied by itself.
noun
a number that shows the change in the level of something such as a price or unemployment, compared with an earlier time
noun
a number that is in the middle of a set when they are arranged in order. For example, in the numbers 1, 3, 4, 8, 9, the median is 4
noun
a sign or word that represents an amount or quantity. 1, 2, 3 etc and ‘one’, ‘two’, ‘three’ etc are numbers
noun
a number that marks something in a way that separates it from everything else of its type, so that you can easily find it or discover who it belongs to
noun
a situation in which decisions are based on points or numbers, not on other qualities that may be more important
noun
in mathematics, a number written as the symbol π that is used to show the relationship between the distance around a circle and the distance across it
noun
a number that can only be divided exactly by itself and the number 1, for example 7
noun
in mathematics, the amount that is left when one number cannot be divided exactly by another
noun
the root of a number is another number that, when multiplied by itself a particular number of times, equals that number. For example, 3 is the square root of 9 and the cube root of 27.
noun
a number that you multiply by itself to produce a particular number. For example, the square root of 9 is 3.
noun
a number that shows how much smaller or larger a number in a set of numbers is from the average of the set
noun
a number such as 1, 32, 144 etc, rather than a number such as 0.1, 0.32, 1/2, 3/4 etc
a number that can be exactly divided by 2, such as 2, 4, 6, 8 etc
a number that cannot be exactly divided by 2, such as 1, 3, 5, 7 etc
a number that ends in 0, such as 40, 450, or 4000

a generation … who are balancing working life with caring for both their teenage children and elderly parents
BuzzWord ArticleMore submissions
Blog
A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.
global English and language change from our blog