Synonym of basic reproduction number

(epidemiology) The expected number of infection cases to be directly infected by an infected individual, given a population that is equally susceptible.

(soccer) An unconventional lone striker or centre-forward who drops deep into midfield.

(number theory) The branch of number theory that deals with transcendental numbers.

(mathematics, number theory) A branch of number theory that uses methods from mathematical analysis to solve problems about the integers.

(number theory) The subfield of number theory concerning the behaviour of sumsets (integer sets added to each other elementwise).

(idiomatic) Alternative form of look out for number one

(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.

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