number

En español: número, guarismo, cantidad, serie

1. Quantity of countable things. (countable, uncountable) · Any number of people can be reading from a given repository at a time.· There are, in addition to all the red socks, a number that don’t suit me either.
2. An abstract entity used to describe quantity. (countable) · Zero, one, −1, 2.5, and pi are all numbers.
3. A numeral: a symbol for a non-negative integer. (countable) · The number 8 is usually made with a single stroke.
4. An element of one of several sets: natural numbers, integers, rational numbers, real numbers, complex numbers, and sometimes extensions such as hypercomplex numbers, etc. (countable) · The equation e#123;i#92;pi#125;#43;1#61;0 includes the most important numbers: 1, 0, #92;pi, i, and e.
5. Indicating the position of something in a list or sequence. Abbreviations: No or No., no or no. (in each case, sometimes written with a superscript "o", like Nº or №). The symbol "#" is also used in this manner. (countable, uncountable) · Horse number 5 won the race.
6. A sequence of digits and letters used to register people, automobiles, and various other items. (countable, uncountable) · Her passport number is C01X864TN.· You can take the number 8 (bus) all the way to the airport.
7. A telephone number. (countable, informal) · Let's give her a call. Do you have her number handy?· I'm definitely interested. Here's my number. Call me back anytime.
8. Of a word or phrase, the state of being singular, dual or plural, shown by inflection. (countable, uncountable) · Adjectives and nouns should agree in gender, number, and case.

Plural numbers