vacuum bottle Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. flask with double walls separated by vacuum; used to maintain substances at high or low temperatures Example Sentence I put the hot cocoa into a vacuum bottle. Synonyms thermos; vacuum flask; insulated flask Antonyms plate Hear It! Say It! Write It! vacuum bottle Switch to cursive Start Share with your friends:
