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. 2000.

Look at other dictionaries:

  • 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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