OP

math. abbr.

Orthogonal Polynomials

abbr.

Oracle9iAS Personalization (Oracle, DB)

abbr.

Original Poster (DFUE-Slang, Usenet)

comp. abbr.

Operation

comp. abbr.

Optical

comp. abbr.

Output

acronym

Observation Post

acronym

OFFICEPOWER office automation system, trademark of CCI

acronym

Order of Preachers

acronym

Out of Print