trachytoid

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Trachytoid — Trach y*toid, a. [Trachyte + oid.] (Min.) Resembling trachyte; used to define the structure of certain rocks. [1913 Webster] … The Collaborative International Dictionary of English
trachytoid — ˈtrakəˌtȯid, ˈtrāk adjective Etymology: French trachytoïde, from trachyte + oïde oid : resembling trachyte trachytoid structure … Useful english dictionary
trachytoid — trachy·toid … English syllables
trachyte — trachytic /treuh kit ik/, trachytoid /trak i toyd , tray ki /, adj. /tray kuyt, trak uyt/, n. a fine grained volcanic rock consisting essentially of alkali feldspar and one or more subordinate minerals, as hornblende or mica: the extrusive… … Universalium
trachyte — noun a pale igneous rock consisting mostly of potassium feldspar and plagioclase See Also: trachytic, trachytoid … Wiktionary

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