blowhole

English

Etymology

blow +‎ hole

Pronunciation

IPA^(key): /ˈbləʊhəʊl/
Audio (Southern England) (file)

Noun

blowhole (plural blowholes)

(marine biology) The spiracle, on the top of the head, through which cetaceans breathe.
(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.
(geology) A vent for the escape of steam or other gas.
(metallurgy) An unintended cavity filled with air in a casting product.
(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

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

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)

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