op

noun

1. op art.

1. observation post.

1. opera.
2. operation.
3. opposite.
4. opus.

1. opus.

1. variant of ob- (by assimilation) before p: oppose.

1. out of print.

1. Order of Preachers (Dominican).

1. observation post.
2. British Theater. opposite prompt.
3. out of print.
4. overproof.

abbreviation for

1. military observation post
2. Ordo Praedicatorum (the Dominicans)
3. organophosphate

abbreviation for

1. operation
2. opus
3. operator
4. operational

abbreviation for

1. out of print

assimilated form of ob- before -p-.