= hermetic seal at hermetic, adj. 2b.
| 单词 | θ102825 |
| 释义 | the world > space > relative position > closed or shut condition > [noun] > water- or air-pressure-tight closure (11) Hermes' seal1605 = hermetic seal at hermetic, adj. 2b. hermetic seal1663 transferred and figurative. hermetic seal, hermetic sealing: air tight closure of a vessel, esp. a glass vessel, by fusion, soldering, or welding… watertightness1826 The state of being watertight. Also figurative. pressure tightness1945 the condition of being pressure-tight. Subcategories:— waterproof or waterproofing material (5) — rendering waterproof (2) |
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