simple past tense and past participle of constable

(organic chemistry) The sesquiterpenoid ketone 2,2,4,4-tetramethyl-6-(3-methylbutanoyl)cyclohexane-1,3,5-trione

(transitive, graphics) To convert (the samples provided by the mosaic-like colour filter array of a digital camera) into a full-colour image.

plural of down feather