Mean solar time at the Greenwich Meridian.

The amount of time within which a business process must be restored after a disruption in order to avoid unacceptable consequences.

A chronological scale of the earth's history used to measure the relative or absolute age of any part of geologic time.

(idiomatic) To acknowledge someone; to give someone respect or attention; to tip one's hat

(idiomatic) I (or we) have not seen you for a long time.

(idiomatic) To remain useful or valued over a long period of time; to last a long time.

(cricket) a batsman who has limited bowling ability; asked to bowl under special circumstances

(idiomatic) To enjoy oneself greatly.

An analysis of the motions used in an industrial process with an aim to improve efficiency and productivity.

(idiomatic) The distant past beyond anyone's memory. / (idiomatic) A lengthy duration of time, longer than is readily remembered.