オゾンオゾンCommon wordFreq.FrequencyTop 50,000Meanings1nounozoneRefers to the gas O₃, especially in environmental contexts such as the ozone layer or ozone depletion.オゾン層そうの破は壊かいが問もん題だいになっている。The destruction of the ozone layer is a problem.この空くう気き清せい浄じょう機きはオゾンを発はっ生せいさせる。This air purifier generates ozone.
