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Synonyms

heat barrier

American  

noun

Aerospace.

  1. thermal barrier.

heat barrier British  

noun

  1. another name for thermal barrier

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of heat barrier

First recorded in 1950–55

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But the heat barrier is like fighting your way into a thicket of thorns.

From Time Magazine Archive

Rocket planes like the Skyrocket do not encounter the "heat barrier"; they do not fly long enough to heat up seriously.

From Time Magazine Archive

Others said later that space vehicles would never get through the heat barrier.

From The Practical Values of Space Exploration Report of the Committee on Science and Astronautics, U.S. House of Representatives, Eighty-Sixth Congress, Second Session by United States. Congress. House. Committee on Science and Astronautics.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.