频次 píncì frequency Origin Definitions Defs Strokes Stroke Words Sentences Sents 频 頻 pín noun abbreviation of 频率 頻率 pínlǜ frequency (physics) The number of vibrations, oscillations, or cycles of a wave per unit of time, typically measured in Hertz (Hz)次 cì noun abbreviation of 次数 次數 cìshù number of times The number of times an action or event is repeated; frequency; order in a series.