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..

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

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

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

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..

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

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..

Nucleus :: Nucleus (n.) The central part around which additional growths are added, as of an operculum..

Suboperculum :: Subopercular (n.) The suboperculum.

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

Operculigenous :: Operculigenous (a.) Producing an operculum; -- said of the foot, or part of the foot, of certain mollusks..

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

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

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..

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..

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

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

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

Opercula :: Opercula (n. pl.) See Operculum.

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