(business, US) Any corporation that is taxed separately from its owners.

(US) Initialism of Federal Food, Drug, and Cosmetic Act.

Alternative form of O.C.

(medicine, colloquial) Short for C-section.

(medicine, pharmacology) Abbreviation of discontinue. / (medicine, pharmacology) Abbreviation of discharge.

(Australia, Queensland) abbreviation of Mathematics C.

(Australia, Queensland) The most advanced of the three OP-eligible mathematics subjects available to Queensland students in years 11 and 12.

(genetics) The amount of DNA (in picograms) in a haploid nucleus (a measure of the genome size)

A ring with a gap in it, used as a symbol in vision tests.

plural of C spring