# heatshield

> English word · Noun

## Definitions
1. A system designed to protect what is behind it against heat.
2. A system designed to protect an object entering an atmosphere at high speed from the resulting very high temperature due to atmospheric drag

## Etymology
From heat + shield.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/heatshield