O.P.

abbr.
1 out of print.
2 overproof.

* * *

1. observation post.

2. Brit. Theat. See opposite prompt.

3. Order of Preachers (Dominican). [ < L Ordo Praedicatorum]

4. out of print.

5. overproof.

* * *

op or Op «op», adjective, noun.

–adj.

having to do with op art.

–n.

= op art.

╂[< op art]

op-,

prefix. the form of ob- (Cf. ↑ob-) before p, as in oppress.

op.,

1. opera.

2. operation.

3. opposite.

4. opus.

o.p. or O.P.,

1. out of print.

2. overprint (on a stamp).

3. overproof.

OP (no periods) or O.P.,

observation post.

O.P.,

(among Dominicans) Order of Preachers (Latin, Ordo Praedicatorum).

* * *

abbr.

■ (of a book) out of print

■ (of alcohol) ovenproof