a contrivance for shutting off foul air or gas from drains, sewers, etc.; a stench trap.

See also: Air

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.

Mentioned in

inversion

References in periodicals archive

Since we used pre-fabricated structure with hot air trap in the middle, we created a positive pressure of cool air so that hot air rises and is naturally exhausted from louvers placed at the centre and sides of the hall.

Comfort cooling for a 200,000 square feet yoga hall!

Air trap: You can purchase an air trap from a beer/wine making shop or through a mail-order supplier, or you can make your own.

Brew it better yourself!

A weld line or air trap will occur at the point in an element that is filled last and has the highest value.

Flow analysis: effects of finite element meshing on mold filling analysis

It showed up clearly as an air trap and knit line on the end of the boss exactly where the blemish was on the molded sample.

Flow analysis gets it right the first time

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