blowhole

English

Etymology

From blow +‎ hole.

Pronunciation

• IPA^(key): /ˈbləʊhəʊl/

• Audio (Southern England):

  (file)

Noun

blowhole (plural blowholes)

2. (marine biology) The spiracle, on the top of the head, through which cetaceans breathe.
4. (marine biology) A hole in sea ice where cetaceans and pinnipeds come to breathe.
6. (geology) 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.
8. (geology) A vent for the escape of steam or other gas.
10. (metallurgy) An unintended cavity filled with air in a casting product.
12. (computer hardware) A vertical opening in the top of a computer case that lets hot air (primarily from the CPU heat sink) escape quickly.

Translations

spiracle through which cetaceans breathe

• Catalan: espiracle m
• Chinese:

  Mandarin: 噴氣孔／喷气孔 (pēnqìkǒng)

• Faroese: blástur n
• Finnish: ilmareikä, hengitysaukko
• French: évent (fr) m
• German: Blasloch n
• Greek: φυσητήρας (el) m (fysitíras)

  Ancient: φυσητήρ m (phusētḗr)

• Icelandic: blásturshola f, blástursop n
• Irish: poll séidte m
• Italian: sfiatatoio (it) m
• Maori: tāpihapiha
• Portuguese: espiráculo m, respiradouro m
• Russian: ды́хало (ru) n (dýxalo)
• Spanish: espiráculo (es) m
• Swedish: blåshål n
• Welsh: twll chwythu m, chwythdwll m
• Yiddish: בלאָזלאָך m or f (blozlokh)

hole in sea ice through which cetaceans breathe

• Yiddish: אָטעמלאָך m or f (otemlokh)

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.

• Chinese:

  Mandarin: 吹蝕穴／吹蚀穴 (chuīshíxué)

vent for the escape of steam or other gas

• Chinese:

  Mandarin: 噴氣孔／喷气孔 (pēnqìkǒng)

• Finnish: kaasuonkalo
• Ido: nazotruo (io)
• Italian: sfiatatoio (it)
• Portuguese: respiradouro m
• Russian: отду́шина (ru) f (otdúšina), вентиляцио́нное отве́рстие n (ventiljaciónnoje otvérstije)

unintended cavity filled with air in a casting product

• Dutch: gietblaas, gietgal (nl)
• Finnish: ilmakupla (fi), ilmareikä
• German: Lunker (de) m
• Yiddish: בלעזל n (blezl)

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

• French: ^{(please verify)} évent (fr) m (1)

Verb

blowhole (third-person singular simple present blowholes, present participle blowholing, simple past and past participle blowholed)

1. (metallurgy, transitive, intransitive) To fill or be filled with air in an unintended cavity.