impervious+to+air

  • 1 air|proof — «AIR PROOF», adjective, verb. –adj. impervious to air. –v.t. to make (something) airproof …

    Useful english dictionary

  • 2 impervious — SYN: impermeable. * * * im·per·vi·ous ( )im pər vē əs adj not allowing entrance or passage <medication packaged in a container impervious to air and light> im·per·vi·ous·ness n * * * im·per·vi·ous (im purґve əs) [L. impervius]… …

    Medical dictionary

  • 3 air-tight — a. Hermetic, hermetical, impenetrable to air, impervious to air …

    New dictionary of synonyms

  • 4 Impervious surface — Impervious surfaces are mainly artificial structures, such as pavements, rooftops, sidewalks, roads, and parking lots covered by impenetrable materials such as asphalt, concrete, brick, and stone. Soils compacted by urban development are also… …

    Wikipedia

  • 5 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, impervious. Milton …

    The Collaborative International Dictionary of English

  • 6 Man-portable air-defense systems — An SA 7 in use Man portable air defense systems (MANPADS or MPADS) are shoulder launched surface to air missiles (SAMs). They are typically guided weapons and are a threat to low flying aircraft, especially helicopters. Contents …

    Wikipedia

  • 7 airproof — /air proohf /, adj. 1. impervious to air. v.t. 2. to make impervious to air. [AIR1 + PROOF] * * * …

    Universalium

  • 8 airproof — I. ˈ ̷ ̷| ̷ ̷ adjective Etymology: air (III) + proof 1. : airtight 2. : made impervious to air II. transitive verb 1 …

    Useful english dictionary

  • 9 hermetic — Airtight; denoting a vessel closed or sealed in such a way that air can neither enter it nor issue from it. * * * her·met·ic (.)hər met ik adj being airtight or impervious to air her·met·i·cal·ly i k(ə )lē adv Her·mes Tris·me·gis·tus hər (.)mēz… …

    Medical dictionary

  • 10 airproof — /ˈɛəpruf/ (say airproohf) adjective 1. impervious to air. –verb (t) 2. to make impervious to air …

    Australian English dictionary

  • 11 Tire — 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) …

    Wikipedia

  • 12 Hermetic 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… …

    Wikipedia

  • 13 airtight — (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 …

    Etymology dictionary

  • 14 hermetic — 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 …

    New dictionary of synonyms

  • 15 airproof — adj. impervious to air …

    English contemporary dictionary

  • 16 airtight — adj. sealed, impervious to air; convincing …

    English contemporary dictionary

  • 17 airtightness — n. quality of being impervious to air …

    English contemporary dictionary

  • 18 heartwood — [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 …

    English World dictionary

  • 19 Imperviously — 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,… …

    The Collaborative International Dictionary of English

  • 20 Imperviousness — 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,… …

    The Collaborative International Dictionary of English