As nouns the difference between operculum and operculate
is that operculum is a covering flap or lidlike structure in plants and animals, such as a gill cover while operculate is any gastropod mollusc that has an operculum.
As an adjective operculate is
having an operculum.
operculum
English
Noun
(opercula)
A covering flap or lidlike structure in plants and animals, such as a gill cover
operculate
English
Synonyms
*operculated
Noun
(
en noun)
Any gastropod mollusc that has an operculum