(UK, telecommunications, historical) A telephone number consisting purely of digits, introduced in the 1960s to replace numbers that began with an alphabetic code for the exchange.

(theater) A showstopping song that occurs late in the second act of a two-act musical, often signifying a moment of revelation or change of heart of a lead character.

plural of 11 o'clock number

(mathematics, number theory) The field of study dealing with computational methods for investigating and solving problems in number theory and arithmetic geometry.

Synonym of computational number theory.

(Jamaica, slang) To engage in anal sex; to bugger; to sodomize.

(psychology) The tendency to favor round numbers or easy-to-use numbers as opposed to more realistic, more precise figures.

plural of natural numbers object

plural of total base number

plural of random number god