( a. )
Made perfectly close or air-tight by fusion, so that no gas or spirit can enter or escape; as, an hermetic seal. See Note under Hermetically.
( a. )
Made perfectly close or air-tight by fusion, so that no gas or spirit can enter or escape; as, an hermetic seal. See Note under Hermetically.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012