dumb hole en · NOUN
Pronunciation
- (US) audio
Etymology
Similar to black hole, formed with dumb (“mute, silent”). Used at least since 1994.
Meanings
- 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.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| dumb holes | Number=Plur | lexicographic |