Deoperculate :: Deoperculate (a.) Having the lid removed; -- said of the capsules of mosses.
Inoperculate :: Inoperculate (a.) Having no operculum; -- said of certain gastropod shells.
Opercular :: Opercular (n.) The principal opercular bone or operculum of fishes.
Operculated :: Operculated (a.) Closed by a lid or cover, as the capsules of the mosses..
Operculated :: Operculated (a.) Having an operculum, or an apparatus for protecting the gills; -- said of shells and of fishes..
Preopercular :: Preopercular (a.) Situated in front of the operculum; pertaining to the preoperculum.
Subopercular :: Subopercular (a.) Situated below the operculum; pertaining to the suboperculum.