a., -ated, ppl. a. (UN-1 7, 8, 5 b.)
1847. Webster, Unoperculated, having no cover or operculum.
1884. Imp. Dict., IV. 510/2. Unoperculate.
a., -ated, ppl. a. (UN-1 7, 8, 5 b.)
1847. Webster, Unoperculated, having no cover or operculum.
1884. Imp. Dict., IV. 510/2. Unoperculate.