from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. airtight
Sorry, no etymologies found.
The chalk-on-board sound of that six-foot-long zipper closing, the finality of encasing the victim in an airproof sack, feels like a gut-punch no matter how many times you've witnessed it.
The gas holder is normally an airproof steel container that, by floating like a ball on the fermentation mix, cuts off air to the digester (anaerobiosis) and collects the gas generated.
Back of these in turn are folding blinds; then long, close curtains of muslin; then, finally, thick, manifolding, shrouding draperies of some airproof woolen stuff.
[Storage] Place in airproof, shady and dry condition.
However, for electric devices, a much higher sealing performance is required to secure airproof properties to lessen the dangers inherent in such devices.
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