(euphemistic) A young woman who engages regularly in partying and romantic or sexual liaisons. / (euphemistic) A prostitute.

plural of game-time decision

(sports) A decision about the conduct of a sporting event, usually one made by the coach regarding which players will start or will play, or which strategy will be employed, which is put off until the start of the game itself.

Pacific Standard Time when compensating for daylight saving time.

(cryptography) A form of encryption where each bit or character from the plaintext is encrypted by a modular addition with a bit or character from a secret random key (or pad) of the same length as the plaintext.

(engineering) The predicted mean average time taken for a part or system to fail for the first time.

(idiomatic) A situation in which something must be done hurriedly, before a deadline.

A coordinate time standard intended to be used as the independent variable of time for all calculations pertaining to precession, nutation, the Moon, and artificial satellites of the Earth, equivalent to the proper time experienced by a clock at rest in a coordinate frame co-moving with the center of the Earth.

Synonym of Father Time

(idiomatic) From before one was born or old enough to be aware of the world. / (idiomatic) At a stage in one's life, development, etc. that seems premature.