fire tubes Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. flue or tube in a firetube boiler Example Sentence The boiler generated steam by passing hot gases through the fire tubes. Synonyms flue; pipe to carry off smoke; tube on a boiler Antonyms freezer Hear It! Say It! Write It! fire tubes Switch to cursive Start Share with your friends:
