noun ·Rare ·Advanced level

Definitions

Noun

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

Synonyms

All synonyms

aeroshell

Etymology

From heat + shield.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.