English Explanatory Dictionary

dumb hole

English dictionary entry

Meanings

noun
  1. A phenomenon in which phonons (sound perturbations) are unable to escape from a fluid that is flowing more quickly than the local speed of sound.

Pronunciation

LL-Q1860 (eng)-Flame, not lame-dumb hole.wav

Word forms

dumb hole dumb holes

Etymology

Similar to black hole, formed with dumb (“mute, silent”). Used at least since 1994.

Synonyms

sonic black hole
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