WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / H / heat barrier heat barrier noun /hitbæriər/ 3 syllables 12 letters Scrabble 16 WWF 16 Definitions noun a limit to high speed flight imposed by aerodynamic heating thermal barrier Look “heat barrier” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →