Impermeable Im*per"me*a*ble, a. [Pref. im- not + permeable: cf. F. imperm['e]able, L. impermeabilis.] Not permeable; not permitting passage, as of a fluid. through its substance; impervious; impenetrable; as, India rubber is impermeable to water and to air. -- {Im*per"me*a*ble*ness}, n. -- {Im*per"me*a*bly}, adv. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • impermeably — See impermeability. * * * …   Universalium

  • impermeably — adverb In an impermeable manner …   Wiktionary

  • impermeably — adv. in an impermeable manner, impassably …   English contemporary dictionary

  • impermeably — im·permeably …   English syllables

  • impermeably — adverb see impermeable * * * imperˈmeably adverb • • • Main Entry: ↑impermeable …   Useful english dictionary

  • Nantmel Landfill Site — One of several gas vents at Nantmel landfill Nantmel Landfill Site is a closed waste disposal site situated in the community of Nantmel, Llandrindod Wells, Powys, Wales. It operated from 1960 to 1990, accepting domestic, commercial, non hazardous …   Wikipedia

  • impermeable — impermeability, impermeableness, n. impermeably, adv. /im perr mee euh beuhl/, adj. 1. not permeable; impassable. 2. Chem., Geol. (of porous substances, rocks, etc.) not permitting the passage of a fluid through the pores, interstices, etc. [1690 …   Universalium

  • imperviously — adverb In an impervious manner; impenetrably; impermeably …   Wiktionary

  • impenetrably — adv. in an impenetrable manner, impassably, impermeably …   English contemporary dictionary

  • impermeable — /ɪmˈpɜmiəbəl / (say im permeeuhbuhl) adjective 1. not permeable; impassable. 2. (of substances) not permitting the passage of a fluid through the pores, interstices, etc. –impermeability /ɪmˌpɜmiəˈbɪləti/ (say im.permeeuh biluhtee),… …   Australian English dictionary

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