trachytic
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Related to trachytic: Perthite, Trachytic Texture
tra·chyte
(trā′kīt′, trăk′īt′)n.
A light-colored igneous rock consisting essentially of alkali feldspar.
[French, from Greek trākhus, rough.]
tra·chyt′ic (trə-kĭt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
trachytic
(trəˈkɪtɪk)adj
(Geological Science) (of the texture of certain igneous rocks) characterized by a parallel arrangement of crystals, which mark the flow of the lava when still molten
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