PLANO-CONCAVE
Meaning of PLANO-CONCAVE in English
Pronunciation: ˌ pl ā -n ō -( ˌ )kän- ' k ā v, - ' kän- ˌ
Function: adjective
Date: 1693
: flat on one side and concave on the other
Merriam Webster Collegiate English Dictionary.
Merriam Webster - Энциклопедический словарь английского языка.
2012