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Trachy-

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• Trachybasalt

  [trey-kee-buh-sawlt, -bas-awlt, -bey-sawlt, trak-ee-] /ˌtreɪ ki bəˈsɔlt, -ˈbæs ɔlt, -ˈbeɪ sɔlt, ˌtræk i-/ noun 1. a fine-grained volcanic rock containing sanidine and calcic plagioclase.

• Trachycarpous

  [trey-kee-kahr-puh s, trak-ee-] /ˌtreɪ kiˈkɑr pəs, ˌtræk i-/ adjective, Botany. 1. having rough-skinned fruit.

• Trachyspermous

  [trey-kee-spur-muh s, trak-ee-] /ˌtreɪ kiˈspɜr məs, ˌtræk i-/ adjective, Botany. 1. having seeds with a rough coat.

• Trachyte

  noun 1. a fine-grained volcanic rock consisting essentially of alkali feldspar and one or more subordinate minerals, as hornblende or mica: the extrusive equivalent of syenite. noun 1. a light-coloured fine-grained volcanic rock of rough texture consisting of feldspars with small amounts of pyroxene or amphibole trachyte (trā’kīt’, trāk’īt’) A light-colored, fine-grained igneous rock consisting […]

• Trachytic

  noun 1. a fine-grained volcanic rock consisting essentially of alkali feldspar and one or more subordinate minerals, as hornblende or mica: the extrusive equivalent of syenite. adjective 1. (of the texture of certain igneous rocks) characterized by a parallel arrangement of crystals, which mark the flow of the lava when still molten noun 1. a […]

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