blowhole

English

Noun

Wikipedia blowhole (plural blowholes)

1. The spiracle, on the top of the head, through which cetaceans breath.
2. A vent for the escape of gas.
3. 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.
4. An unintended cavity filled with air in a casting product.
5. A vertical opening in the top of computer cases, that let hot air, primarily from the CPU heat sink, escape quickly.

Translations

spiracle through which cetaceans breath

• German: Blasloch (de) n
• Icelandic: blásturshola (is) f, blástursop (is) n

• Italian: sfiatatoio (it) m
• Russian: дыхало (ru) (dýxalo) n 

vent for the escape of gas

• Italian: sfiatatoio (it)
• Russian: отдушина (ru) (otdúšina) f , вентиляционное отверстие (ru) (ventiljaciónnoje otvérstije) n 

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.

unintended cavity filled with air in a casting product

• Dutch: gietblaas (nl), gietgal (nl)

• German: Lunker (de) m

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Translations to be checked

• French: évent m (1)