おうけい 凹形 LinksSentence search for 凹形Sentence search for おうけいSentence search for おうがたSentence search for 凹型Kanji details for 凹 and 形Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. concavityAntonym: 凸形Other forms凹形 【おうがた】、凹型 【おうがた】 Discussions Log in to talk about this word.