Meaning of OPERCULUM in Urdu

Use in sentences of نظریہ

Meaning of OPERCULUM in English

• The lid of a pitcherform leaf.
• The lid of the urnlike capsule of mosses.
• Any lidlike or operculiform process or part; as, the opercula of a dental follicle.
• 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.
• The principal opercular bone in the upper and posterior part of the gill cover.
• The lid closing the aperture of various species of shells, as the common whelk. See Illust. of Gastropoda.
• Any lid-shaped structure closing the aperture of a tube or shell.

Synonyms of ‘نظریہ’

Antonyms of ‘نظریہ’

Articles Related to ‘نظریہ’