同どう時じ発はつ音おん数すうMeaningsNoun1. polyphony (of an electronic keyboard or synthesizer)Kanji used同same時time発let out音sound数numberComposed of同どう時じsame time; simultaneous; concurrent; synchronousNoun発はつ音おんpronunciation; production of soundNoun数すうseveral; a few; a number of; number; quantity; amount; counting; calculation; figures; numbers; …Prefix