вентиляционное отверстие

1) General subject: airhole, blowhole (в туннеле), breathing hole, vent, wind-hole

2) Aviation: breather hole, vent opening

3) Engineering: air hole, air port, air vent, fresh-air inlet (в системе домовой канализации), rim hole, rim slot, vent port, ventilating opening

4) Construction: air-vent, ventilation aperture, ventilation opening, weephole, air vent hole

5) Railway term: air gate

6) Automobile industry: air inlet, vent hole, ventilation outlet

7) Mining: aspirail

8) Cinema: smoke vent

9) Silicates: air exit hole, ventiduct

10) Ecology: air exit

11) Advertising: ventilation slot

12) Household appliances: ventilation hole

13) Oilfield: ventilator

14) Automation: outtake, ventilating aperture, venting hole

15) Sakhalin R: enclosure air vent