ちょっけい 直径 Common word JLPT N2 Wanikani level 31 Play audio LinksSentence search for 直径Sentence search for ちょっけいSentence search for 直経Kanji details for 直 and 径Edit in JMdict Noun1. diameterOther forms直経 【ちょっけい】 Discussions Log in to talk about this word.