impervious+to+air
11Tire — This article is about tires used on road vehicles, including pneumatic tires and solid tires. For railroad tires, see railway tires. For other uses, see tire (disambiguation) or tyre.Tires, or tyres (in American and British English, respectively) …
12Hermetic seal — Airtight redirects here. For the G.I. Joe character, see Airtight (G.I. Joe). For other uses of hermetic , see hermetic (disambiguation). A hermetic seal is the quality of being airtight. In common usage, the term often implies being impervious… …
13airtight — (adj.) also air tight, impervious to air, 1760, from AIR (Cf. air) (n.1) + TIGHT (Cf. tight). Figurative sense of incontrovertible (of arguments, alabis, etc.) is from 1929 …
14hermetic — a.; (also hermetical) 1. Air tight, impervious to air. 2. Secret, mysterious, mystic, mystical, occult, symbolical, emblematic, cabalistic, containing doctrines clothed or concealed in symbols …
15airproof — adj. impervious to air …
16airtight — adj. sealed, impervious to air; convincing …
17airtightness — n. quality of being impervious to air …
18heartwood — [härt′wood΄] n. the hard, nonliving, older wood at the core of a tree trunk, usually dark in color and impervious to air and water; duramen: cf. SAPWOOD …
19Imperviously — Impervious Im*per vi*ous, a. [L. impervius; pref. im not + per through + via way. See {Voyage}.] Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air. [1913 Webster] This gulf impassable,… …
20Imperviousness — Impervious Im*per vi*ous, a. [L. impervius; pref. im not + per through + via way. See {Voyage}.] Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air. [1913 Webster] This gulf impassable,… …
