blowhole

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blowhole

  • /ˈbləʊhəʊl/

Where it comes from

From blow + hole.

noun blowholes

  1. The spiracle, on the top of the head, through which cetaceans breathe.
  2. A hole in sea ice where cetaceans and pinnipeds come to breathe.
  3. A top-facing opening to a cavity in the ground very near an ocean's shore, leading to a marine cave from which wave water or bursts of air are expelled.
  4. A vent for the escape of steam or other gas.
  5. An unintended cavity filled with air in a casting product.
  6. A vertical opening in the top of a computer case that lets hot air (primarily from the CPU heat sink) escape quickly.

verb blowholes · blowholing · blowholed

  1. ambitransitive To fill or be filled with air in an unintended cavity.

Translations

Every language

noun spiracle through which cetaceans breathe

Españolespiráculo
中文噴氣孔 /喷气孔 pēnqìkǒng
Portuguêsespiráculo, respiradouro
Françaisévent
DeutschBlasloch
Italianosfiatatoio
Ελληνικάφυσητήρας fysitíras
Русскийды́хало dýxalo

noun A top-facing opening to a cavity in the ground very near an ocean's shore, that leads to a marine cave from which wave water and/or bursts of air are expelled.

中文吹蝕穴 /吹蚀穴 chuīshíxué

noun vent for the escape of steam or other gas

中文噴氣孔 /喷气孔 pēnqìkǒng
Portuguêsrespiradouro
Italianosfiatatoio
Русскийотду́шина otdúšina, вентиляцио́нное отве́рстие ventiljaciónnoje otvérstije

noun unintended cavity filled with air in a casting product

DeutschLunker

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Cite this
MLA

"blowhole." Wiktionary, via Micwyn, micwyn.com/word/blowhole. Accessed 6 Nov. 2026.

APA

blowhole. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/blowhole

Chicago

"blowhole." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/blowhole.

BibTeX
@misc{blowhole_2026,
  title = {blowhole},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/blowhole},
  urldate = {2026-11-06}
}