Index of English words, starting with "op"

(1) - Ophthalmy (n.) Same as Ophthalmia.

(1) - Opiate (v. t.) To subject to the influence of an opiate; to put to sleep.
(2) - Opiate (a.) Inducing sleep; somniferous; narcotic; hence, anodyne; causing rest, dullness, or inaction; as, the opiate rod of Hermes.
(3) - Opiate (n.) Anything which induces rest or inaction; that which quiets uneasiness.
(4) - Opiate (n.) Any medicine that contains opium, and has the quality of inducing sleep or repose; a narcotic.
(5) - Opiate (n.) Originally, a medicine of a thicker consistence than sirup, prepared with opium.

(1) - Opine (v. t. & i.) To have an opinion; to judge; to think; to suppose.

(1) - Opiner (n.) One who opines.