dust 2022.12.06 dustとは 意味・定義・例文 Noun 名詞 1. fine dry powder or particles in the atmosphere that come from various sources ちり, ほこり, 粉末, 花粉 Dust lies thick behind this picture frame. Verb 動詞 1. take dust off something by moving a cloth across it ちり, ほこりを払う