(television, radio) The block of programming on television during the middle of the evening, usually between 7:00 pm and 11:00 pm. / The busiest or most important period.

(television, radio) Showing during prime time.

A contract entered into directly between the client and contractor (contracted provider of products or services.) Used especially of contracts involving government agencies or bodies, or entities such as educational institutions.

plural of prime directive

An order or mission which presents the overriding control over a course of action.

(mathematics) Either of a pair of prime numbers that differ by two.

(mathematics) The factorization of a positive integer into its constituent prime numbers

(mathematics) Either of a pair of prime numbers that differ by six.

(mathematics) An ordered set of prime numbers having a constant difference between successive elements

(mathematics) Either of a pair of prime numbers that differ by four