GASTIGHT
Meaning of GASTIGHT in English
— 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 ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012