LENS
Meaning of LENS in English
n. 25B6; noun . See list.
Shapes of Lenses
biconcave convex
biconvex convexo-concave
concave planoconcave
concavo-convex planoconvex
Concise Oxford thesaurus English vocabulary.
Краткий оксфордский словарь английского языка тезаурус.
2012