(Scrabble) The act of keeping track of which letters have been played, usually by crossing them off a printed list.

The conspicuous signs of artery and vein damage brought on by chronic injection of drugs.

plural of track stand

(idiomatic) Further along, in terms of time or progress.

(education, of a professorship or other academic job) Possessing contractually guaranteed terms of employment specifying that, after a period of time, the employed person will be considered for tenure status, which typically confers enhanced job security and sometimes other benefits.

(rail transport) an electrical circuit in a railway track used for signalling purposes.

plural of track circuit

plural of track event

(rail transport, US) a long trough placed between the rails in a railroad track, which enabled a steam locomotive to replenish its water supply without stopping by lowering a scoop.

An opinion polling method in which responses are solicited at fixed intervals over time.