溶よう発はつ

noun

ablative shield

Technical term in rocketry for a heat shield that ablates to protect the spacecraft.

• 大たい気き圏けん再さい突とつ入にゅう時じに溶よう発はつが宇う宙ちゅう船せんを守まもる。

  The ablative shield protects the spacecraft during atmospheric re-entry.