heatshield

noun — 2 senses

heatshield

noun

Etymology From heat + shield.

1

A system designed to protect what is behind it against heat.

2

Aerospace, Astronautics, Business, Engineering, Natural sciences, Physical sciences A system designed to protect an object entering an atmosphere at high speed from the resulting very high temperature due to atmospheric drag

Coordinate terms
aeroshell

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.