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 opercula is as below...

Operculate :: Operculate (a.) Alt. of Operculate.

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

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

Preopercular :: Preopercular (n.) The preoperculum.

Pomacentroid :: Pomacentroid (a.) Pertaining to the Pomacentridae, a family of bright-colored tropical fishes having spiny opercula; -- often called coral fishes..

Suborbicular :: Suboperculum (n.) The lower opercular bone in fishes.

Operculated :: Operculated (a.) Closed by a lid or cover, as the capsules of the mosses..

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

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

Paludina :: Paludina (n.) Any one of numerous species of freshwater pectinibranchiate mollusks, belonging to Paludina, Melantho, and allied genera. They have an operculated shell which is usually green, often with brown bands. See Illust. of Pond snail, under Pond..

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

Interpercular :: Interpercular (n.) The interopercular bone.

Aptychus :: Aptychus (n.) A shelly plate found in the terminal chambers of ammonite shells. Some authors consider them to be jaws; others, opercula..

Multispiral :: Multispiral (a.) Having numerous spiral coils round a center or nucleus; -- said of the opercula of certain shells.

Suboperculum :: Subopercular (n.) The suboperculum.

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

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

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

Opercula :: Opercula (pl. ) of Operculu.

Piper :: Piper (n.) A common European gurnard (Trigla lyra), having a large head, with prominent nasal projection, and with large, sharp, opercular spines..

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