| var. of ob- (by assimilation) before p: oppose. |
| 1. | observation post. |
| 2. | British Theater. opposite prompt. |
| 3. | Order of Preachers (Dominican). Origin: < L Ōrdō Praedicātōrum  |
| 4. | out of print. |
| 5. | overproof. |
| out of print. |
| a prefix meaning “toward,” “to,” “on,” “over,” “against,” orig. occurring in loanwords from Latin, but now used also, with the sense of “reversely,” “inversely,” to form Neo-Latin and English scientific terms: object; obligate; oblanceolate. |
| a style of abstract art in which lines, forms, and space are organized in such a way as to provide optical illusions of an ambiguous nature, as alternately advancing and receding squares on a flat surface. |
| the offstage area to the right as one faces the audience. Abbreviation: O.P. |
[oh-puhs] 
[oh-per-uh, op-er-uh] . | 1. | a musical composition. |
| 2. | one of the compositions of a composer, usually numbered according to the order of publication. |
| 3. | a literary work or composition, as a book: Have you read her latest opus? Abbreviation: op. |
| OP abbr.
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op job
/op/ 1. In England and Ireland, a common verbal abbreviation for "operator", as in system operator. This is less common in the US, where sysop seems to be preferred.
2. The general term for an IRC channel op. Also, as a verb: to give someone channel op privileges. Compare ircop.
[The Jargon File]
(1997-12-12)
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