Rarefying
Rarefy Rar"e*fy (r[a^]r"[-e]*f[imac]; 277), v. t. [imp. & p. p. {Rarefied} (r[a^]r"[-e]*f[imac]d); p. pr. & vb. n. {Rarefying} (r[a^]r"[-e]*f[imac]`[i^]ng).] [F. rar['e]fier; L. rarus rare + -ficare (in comp.) to make; cf. L. rarefacere. See {-fy}.] To make rare, thin, porous, or less dense; to expand or enlarge without adding any new portion of matter to; -- opposed to condense. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • rarefying — rar·e·fy || rerɪfaɪ / reÉ™r v. thin out, make less dense; refine, purify …   English contemporary dictionary

  • rarefying osteitis — a bone disease in which the inorganic matter is lessened and the hard bone becomes cancellated …   Medical dictionary

  • rarefying osteitis — noun : osteoporosis …   Useful english dictionary

  • vascular osteitis — rarefying osteitis in which the spaces formed become occupied by blood vessels …   Medical dictionary

  • Attenuation — At*ten u*a tion, n. [L. attenuatio: cf. F. att[ e]nuation.] 1. The act or process of making slender, or the state of being slender; emaciation. [1913 Webster] 2. The act of attenuating; the act of making thin or less dense, or of rarefying, as… …   The Collaborative International Dictionary of English

  • Rarefaction — Rar e*fac tion (r[a^]r [ e]*f[a^]k sh[u^]n), n. [Cf. F. rar[ e]faction. See {Rarefy}.] The act or process of rarefying; the state of being rarefied; opposed to condensation; as, the rarefaction of air. [1913 Webster] …   The Collaborative International Dictionary of English

  • Rarefied — Rarefy Rar e*fy (r[a^]r [ e]*f[imac]; 277), v. t. [imp. & p. p. {Rarefied} (r[a^]r [ e]*f[imac]d); p. pr. & vb. n. {Rarefying} (r[a^]r [ e]*f[imac] [i^]ng).] [F. rar[ e]fier; L. rarus rare + ficare (in comp.) to make; cf. L. rarefacere. See { fy} …   The Collaborative International Dictionary of English

  • Rarefy — Rar e*fy (r[a^]r [ e]*f[imac]; 277), v. t. [imp. & p. p. {Rarefied} (r[a^]r [ e]*f[imac]d); p. pr. & vb. n. {Rarefying} (r[a^]r [ e]*f[imac] [i^]ng).] [F. rar[ e]fier; L. rarus rare + ficare (in comp.) to make; cf. L. rarefacere. See { fy}.] To… …   The Collaborative International Dictionary of English

  • rarefaction — noun Etymology: French or Medieval Latin; French raréfaction, from Medieval Latin rarefaction , rarefactio, from Latin rarefacere to rarefy Date: 1572 1. the action or process of rarefying 2. the quality or state of being rarefied 3. a state or… …   New Collegiate Dictionary

  • Montagu's Harrier — Conservation status Least Concern (IUCN 3.1)[1 …   Wikipedia

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