perlitic
adjective see perlite

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Perlitic — Per*lit ic, a. (Min.) Relating to or resembling perlite, or pearlstone; as, the perlitic structure of certain rocks. See {Pearlite}. [1913 Webster] …   The Collaborative International Dictionary of English

  • perlitic — perlític adj. m., pl. perlítici; f. sg. perlítică, pl. perlítice Trimis de siveco, 10.08.2004. Sursa: Dicţionar ortografic …   Dicționar Român

  • perlitic — |pər|lid.ik adjective Etymology: International Scientific Vocabulary perlite + ic : of, relating to, or having a texture like perlite * * * perlitic / itˈik/ adjective Showing little concentric spheroidal or spiral cracks between rectilineal ones …   Useful english dictionary

  • perlitic — See perlite. * * * …   Universalium

  • perlitic — per·lit·ic …   English syllables

  • perlite — perlitic /perr lit ik/, adj. /perr luyt/, n. Petrog. a volcanic glass in which concentric fractures impart a distinctive structure resembling masses of small spheroids, used as a plant growth medium. Also, pearlite. [1825 35; < F; see PEARL1,… …   Universalium

  • Pearlite — Pearl ite, Pearlstone Pearl stone , n. (Min.) A glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under… …   The Collaborative International Dictionary of English

  • Pearlstone — Pearlite Pearl ite, Pearlstone Pearl stone , n. (Min.) A glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under… …   The Collaborative International Dictionary of English

  • perlite — noun Etymology: French, from perle pearl Date: 1833 volcanic glass that has a concentric shelly structure, appears as if composed of concretions, is usually grayish and sometimes spherulitic, and when expanded by heat forms a lightweight… …   New Collegiate Dictionary

  • Volcanic rock — is an igneous rock of volcanic origin. Texture Volcanic rocks are usually fine grained or aphanitic to glassy in texture. They often contain clasts of other rocks and phenocrysts. Phenocrysts are crystals that are larger than the matrix and are… …   Wikipedia

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