noun🔗ShareヘルツIn the International System of Units, the derived unit of frequency; one (period or cycle of any periodic event) per second. Symbol: Hz"The radio station broadcasts at a frequency of 98.5 hertz. "そのラジオ局は98.5ヘルツの周波数で放送しています。frequencyphysicselectronicssignalunitsoundelectrictimescienceChat with AIVocabulary GamePractice Reading