noun ダウンロード 🔗共有 潤滑 The application of a substance (a lubricant), between moving surfaces in contact in order to reduce friction and minimize heating. Examples : "Proper lubrication of the hinges on the cabinet door prevented squeaking and eased its opening. " キャビネットのドアの蝶番の適切な潤滑は、きしみ音を防ぎ、開閉を容易にしました。 material science physics chemistry technology technical process industry machine AIとチャット語彙ゲーム読解練習