Etymology

hohlraum

H4O1H4L1R1A1U1M3

Today it means: A cavity whose walls are in thermodynamic equilibrium with the radiation emitted by the cavity Full definition →

German Hohlraum
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. German · borrowed fromHohlraum“hollow area”
  2. English todayhohlraum

Borrowed from German Hohlraum (“hollow area”).

Etymology from Wiktionary, CC BY-SA 4.0.