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...

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

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

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

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

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

Tergum :: Tergum (n.) One of the dorsal plates of the operculum of a cirriped.

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..

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.) The lid of a pitcherform leaf.

Suboperculum :: Subopercular (n.) The suboperculum.

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

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

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

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

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

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

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..

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

Operculums :: Operculums (pl. ) of Operculu.

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