Used attributively before a noun (e.g., time limit, time machine); treated as adjective according to editorial policy.
The scientist built a time machine.
Le scientifique a construit une machine temporelle.
Used standalone in sports and games to call for a halt or indicate that the allotted time has expired (e.g., “Time!”).
“Time!” shouted the referee at the end of the round.
« Temps ! » cria l'arbitre à la fin du round.