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 ?
Nozzle flanked by grooves and airhole, not punched through.
The grave of Maria, wife of Euplous: a Christian epitaph reconsidered
Arriving at Quecreek, Mosteller saw all of the activity taking place as he entered the command center, where rescuers were plotting the location for an airhole.
Quecreek Rescuers Save Nine Trapped Miners
A drilling rig to bore a wider airhole and stem the tide was being brought in.
9 trapped in pit flood
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.
NO REST FOR PILLOW MAKERS AS COMPANIES GO OUTSIDE THE NORM WITH PRODUCTS
They dig all night long and cover up their airholes first thing in the morning, before sleeping the rest of the day.
Growing vegetables naturally
Airholes were punched into the top of the container.
Lower mite infestations in an asexual gecko compared with its sexual ancestors
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.
A golden age: innovation in Dutch cities, 1648-1720
Different operating conditions require different specific gage carbide diameter, face carbide diameter, flushing diameter of airholes, as well as different air pressures.
Production drilling technologies
When cooked, the airholes caused the carrot to whistle.
The Diary
Eldest son wouldn't have been dragged out of the front door if Big Ted hadn't come with us though being bigger and fatter than his owner meant he had to go in a bin bag (with airholes so he could breathe) and fastened on top of the car with six bungees so he didn't fall off every time we went round a roundabout.
Tripping the (not so) light fantastic; maureen spring ON MONDAY
This can be anything from a black polythene bag with airholes made with a fork, to a designated area in your garden which you can fence off with chicken wire or similar material to keep the leaves in one place.
Homes & Gardens: Turning over a new leaf; It's time to clear all those fallen leaves if you plan to make leafmould for next autumn, says Hannah Stephenson
Key features are matte-steel handles shot through with airholes for a stay-cool feel.
BODUM OUT TO STRENGTHEN FOOTHOLD IN U.S. MARKET
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