Definition of operculum

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...

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..

Lern More About Operculum

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..
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..
Operculigenous :: Operculigenous (a.) Producing an operculum; -- said of the foot, or part of the foot, of certain mollusks..
Preopercular :: Preopercular (n.) The preoperculum.
Operculum :: Operculum (n.) The principal opercular bone in the upper and posterior part of the gill cover.
Operculum :: Operculum (n.) The lid of the urnlike capsule of mosses.
Operculum :: Operculum (n.) Any lidlike or operculiform process or part; as, the opercula of a dental follicle..
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..
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..
Operculum :: Operculum (n.) The lid closing the aperture of various species of shells, as the common whelk. See Illust. of Gastropoda..
Opercula :: Opercula (n. pl.) See Operculum.
Oparcular :: Oparcular (a.) Of, pertaining to, or like, an operculum..
Valvata :: Valvata (n.) A genus of small spiral fresh-water gastropods having an operculum.
Inoperculate :: Inoperculate (a.) Having no operculum; -- said of certain gastropod shells.
Onycha :: Onycha (n.) An ingredient of the Mosaic incense, probably the operculum of some kind of strombus..
Nucleus :: Nucleus (n.) The central part around which additional growths are added, as of an operculum..
Suborbicular :: Suboperculum (n.) The lower opercular bone in fishes.
Tergum :: Tergum (n.) One of the dorsal plates of the operculum of a cirriped.
Subopercular :: Subopercular (a.) Situated below the operculum; pertaining to the suboperculum.
Unoperculated :: Unoperculated (a.) Destitute of an operculum, or cover..
Random Fonts
Most Popular

close
Privacy Policy   GDPR Policy   Terms & Conditions   Contact Us