[ɒp], (Noun)

Definitions:
- a surgical operation
(e.g: a minor op)

- a radio or telephone operator


Phrases:

Origin:

[], (Abbreviation)

Definitions:
- observation post

- (in the theatre) opposite prompt

- organophosphate(s)

- (in the Roman Catholic Church) Order of Preachers (Dominican)

- (in online forums or comment pages) original post (or poster)


Phrases:

Origin: