I. ō-ˈpər-kyə-lər adjective
Date: 1830
: of, relating to, or constituting an operculum
II. noun
Date: circa 1890
: an opercular part (as a bone or scale)
I. ō-ˈpər-kyə-lər adjective
Date: 1830
: of, relating to, or constituting an operculum
II. noun
Date: circa 1890
: an opercular part (as a bone or scale)
Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003