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...

Preopercular :: Preopercular (n.) The preoperculum.

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

Inopercular :: Inopercular (a.) Alt. of Inoperculat.

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

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

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

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

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

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

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

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

Deoperculate :: Deoperculate (a.) Having the lid removed; -- said of the capsules of mosses.

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

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

Quin :: Quin (n.) A European scallop (Pecten opercularis), used as food..

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

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..

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

Suboperculum :: Subopercular (n.) The suboperculum.

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

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