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English World dictionary. . 2014.

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  • nonpermeable — adj. * * * …   Universalium

  • nonpermeable — adjective a) not permeable b) having the same magnetic permeability as that of free space, so that the material in question has a magnetic permeability (where mu; = 4 pi; times;10 N nbsp;A exactly in SI units) …   Wiktionary

  • nonpermeable — adj. cannot be permeated, impossible to pass through …   English contemporary dictionary

  • nonpermeable — non•per′me•a•ble adj …   From formal English to slang

  • nonpermeable — adj …   Useful english dictionary

  • Formation evaluation — In petroleum exploration and development, formation evaluation is used to determine the ability of a borehole to produce petroleum. Essentially, it is the process of recognizing a commercial well when you drill one .Modern rotary drilling usually …   Wikipedia

  • Caprock — For the region near Texas, see Caprock, Texas. Caprock is a geological term for a harder or more resistant rock type overlying a weaker or less resistant rock type. Common types of caprock are sandstone and ultramafic rock types. In processes… …   Wikipedia

  • ray — 1. A beam of light, heat, or other form of radiation. The rays from radium and other radioactive substances are produced by a spontaneous disintegration of the atom; they are electrically charged particles or electromagnetic waves of extremely… …   Medical dictionary

  • seal — seal1 [sēl] n. [ME seel < OFr < L sigillum, a seal, mark, dim. of signum: see SIGN] 1. a design, initial, or other device placed on a letter, document, etc., as a mark of genuineness or authenticity: letters were, esp. formerly, closed with …   English World dictionary