noun🔗ShareThermos, bouteille isothermeA bottle, flask or similar vessel having a vacuum between its inner and outer silvered walls; designed to maintain the temperature of its contents"I packed hot soup in a thermos so it would stay warm for my lunch at school. "J'ai mis de la soupe chaude dans un thermos pour qu'elle reste chaude pour mon déjeuner à l'école.utilityitemthingChat with AIVocabulary GamePractice Reading
