調ちょう和わ級きゅう数すうMeaningsNoun1. harmonic seriesKanji used調tone和harmony級class数numberComposed of調ちょう和わharmony; accord; reconciliation; agreementNoun級きゅう(school) grade; year; class; grade; rank; level; kyu (junior rank in martial arts, go, shogi, etc.)Noun数すうseveral; a few; a number of; number; quantity; amount; counting; calculation; figures; numbers; …Prefix