Index of English words, starting with "op"

(1) - Ophicleide (n.) A large brass wind instrument, formerly used in the orchestra and in military bands, having a loud tone, deep pitch, and a compass of three octaves; -- now generally supplanted by bass and contrabass tubas.

(1) - Ophidian (a.) Of or pertaining to the Ophidia; belonging to serpents.
(2) - Ophidian (n.) One of the Ophidia; a snake or serpent.

(1) - Ophiological (a.) Of or pertaining to ophiology.

(1) - Ophiologist (n.) One versed in the natural history of serpents.