Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of operculum is as below...

Interpercular :: Interpercular (a.) Of or pertaining to the interoperculum.

Preopercular :: Preopercular (a.) Situated in front of the operculum; pertaining to the preoperculum.

Opercular :: Opercular (n.) The principal opercular bone or operculum of fishes.

Inoperculate :: Inoperculate (a.) Having no operculum; -- said of certain gastropod shells.

Turbo :: Turbo (n.) Any one of numerous marine gastropods of the genus Turbo or family Turbinidae, usually having a turbinate shell, pearly on the inside, and a calcareous operculum..

Onycha :: Onycha (n.) An ingredient of the Mosaic incense, probably the operculum of some kind of strombus..

Operculum :: Operculum (n.) The lid of a pitcherform leaf.

Operculum :: Operculum (n.) The lid closing the aperture of various species of shells, as the common whelk. See Illust. of Gastropoda..

Operculum :: Operculum (n.) The fold of integument, usually supported by bony plates, which protects the gills of most fishes and some amphibians; the gill cover; the gill lid..

Valvata :: Valvata (n.) A genus of small spiral fresh-water gastropods having an operculum.

Operculiferous :: Operculiferous (a.) Bearing an operculum.

Operculum :: Operculum (n.) The principal opercular bone in the upper and posterior part of the gill cover.

Rostellum :: Rostellum (n.) A small beaklike process or extension of some part; a small rostrum; as, the rostellum of the stigma of violets, or of the operculum of many mosses; the rostellum on the head of a tapeworm..

Scutum :: Scutum (n.) One of the two lower valves of the operculum of a barnacle.

Subopercular :: Subopercular (a.) Situated below the operculum; pertaining to the suboperculum.

Preopercular :: Preopercular (n.) The preoperculum.

Unoperculated :: Unoperculated (a.) Destitute of an operculum, or cover..

Eyestone :: Eyestone (n.) A small, lenticular, calcareous body, esp. an operculum of a small marine shell of the family Turbinidae, used to remove a foreign substance from the eye. It is put into the inner corner of the eye under the lid, and allowed to work its way out at the outer corner, bringing with it the substance..

Praeoperculum :: Praeoperculum (n.) Same as Preoperculum.

Preoperculum :: Preoperculum (n.) The anterior opercular bone in fishes.

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