単たん調ちょう減げん少しょう数すう列れつMeaningsNoun1. monotonically decreasing sequenceKanji used単single調tone減reduction少few数number列rowComposed of単たん調ちょうmonotony; monotone; dullness; monotonicNa-adjective減げん少しょうdecrease; reduction; declineNoun数すう列れつsequence; progression; several lines; several rowsNoun