airhole


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airhole

[′er‚hōl]
(mining engineering)
A small excavation or hole made to improve ventilation by communication with other workings or with the surface.
References in periodicals archive ?
Disk: traces (two circles) of jeweled cross monogram near airhole; broad channel to large wick hole.
Immediately, the rescuers were thinking they needed to drill an airhole.
A drilling rig to bore a wider airhole and stem the tide was being brought in.
Others should be dried and placed inside wooden crates or large plastic bags with airholes in and kept in a cool, frost-free outbuilding or shed where they won't get damp.
Soldiers shot into the truck to try and create airholes but only succeeded in killing more people.
She was so anaemic we had to give her a blood transfusion."We had to sedate them, put them in crates with airholes and bedding then load them on to a flight to Gatwick."
Airholes in the foam construction keep the sleeper cool and prevents moisture, plus the pillow is in a standard size, unlike the unusual pillow sizes that are often found in this category.
Smoke exposure occurred in acrylic plastic (Plexiglas[TM]) chambers (25.5 X 30.5 X 21.0 cm) containing six airholes 6.5 mm in diameter on two opposite sides.
They dig all night long and cover up their airholes first thing in the morning, before sleeping the rest of the day.
Airholes were punched into the top of the container.
Van der Heyden designed a street-lamp manufactured of metal and glass with shielded airholes able to let out smoke without letting in the wind.
Instead, the apartments are only half that size--with tiny "ornamental airholes" cut directly into the cement.