noun ダウンロード 🔗共有 微粒子 (chiefly in plural) Any solid or liquid in a subdivided state, especially one that exhibits special characteristics which are negligible in the bulk material. Examples : "Particulates in engine oil can abrade moving parts." エンジンオイル中の微粒子は可動部品を摩耗させることがあります。 material substance environment chemistry physics science technical AIとチャット語彙ゲーム読解練習