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...

Preopercular :: Preopercular (n.) The preoperculum.

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

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..

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

Operculums :: Operculums (pl. ) of Operculu.

Suboperculum :: Subopercular (n.) The suboperculum.

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

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..

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

Operculum :: Operculum (n.) The lid of the urnlike capsule of mosses.

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

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

Operculum :: Operculum (n.) Any lid-shaped structure closing the aperture of a tube or shell.

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

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

Operculum :: Operculum (n.) Any lidlike or operculiform process or part; as, the opercula of a dental follicle..

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

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

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

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

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