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...

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

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

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

Paucispiral :: Paucispiral (a.) Having few spirals, or whorls; as, a paucispiral operculum or shell..

Interoperculum :: Interoperculum (n.) The postero-inferior opercular bone, in fishes..

Operculated :: Operculated (a.) Having an operculum, or an apparatus for protecting the gills; -- said of shells and of fishes..

Preopercular :: Preopercular (n.) The preoperculum.

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..

Oparcular :: Oparcular (a.) Of, pertaining to, or like, an operculum..

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

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..

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.

Serpula :: Serpula (n.) Any one of numerous species of tubicolous annelids of the genus Serpula and allied genera of the family Serpulidae. They secrete a calcareous tube, which is usually irregularly contorted, but is sometimes spirally coiled. The worm has a wreath of plumelike and often bright-colored gills around its head, and usually an operculum to close the aperture of its tube when it retracts..

Turritella :: Turritella (n.) Any spiral marine gastropod belonging to Turritella and allied genera. These mollusks have an elongated, turreted shell, composed of many whorls. They have a rounded aperture, and a horny multispiral operculum..

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

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

Suboperculum :: Subopercular (n.) The suboperculum.

Operculums :: Operculums (pl. ) of Operculu.

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

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