noun🔗Share珪藻土Diatomaceous earth. A kind of soft rock containing the remains of diatoms; it absorbs nitroglycerine and is used to manufacture dynamite."The factory worker carefully mixed nitroglycerin with kieselguhr to make dynamite for blasting in the nearby quarry. "工場の作業員は、近くの採石場での発破のためにダイナマイトを作るため、ニトログリセリンと珪藻土を注意深く混ぜ合わせました。geologymaterialsubstancechemistryindustryChat with AIVocabulary GamePractice Reading
