BICONVEX Meaning of BICONVEX in English biconvex BrE AmE ( ˌ ) baɪ ˈkɒn veks ˌbaɪ kɒn ˈveks AmE \ ( ˌ ) baɪ ˈkɑːn- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012