gastightness
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gastightness — noun see gastight … New Collegiate Dictionary
gastightness — gas·tight·ness … English syllables
gastightness — noun see gastight … Useful english dictionary
gastight — gastightness, n. /gas tuyt /, adj. 1. not penetrable by a gas. 2. not admitting a given gas under a given pressure. [1825 35; GAS + TIGHT] * * * … Universalium
gastight — adjective Date: 1831 impervious to gas • gastightness noun … New Collegiate Dictionary