HEAT BARRIER as NOUN

1. Meaning
   • a limit to high speed flight imposed by aerodynamic heating
   Synonym(s)
   • thermal barrier (what does thermal barrier mean?)
   Hypernyms(s) heat barrier is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • limit (what does limit mean?)
   • bounds (what does bounds mean?)
   • boundary (what does boundary mean?)