içbükey yüzeyli,planokonkav

listen to the pronunciation of içbükey yüzeyli,planokonkav
Турецкий язык - Английский Язык
planoconcave
Having one side plane and the other concave
Plane or flat on one side, and concave on the other; as, a plano-concave lens
flat on one side and concave on the other