trachyte

[ trey-kahyt, trak-ahyt ]
/ ˈtreɪ kaɪt, ˈtræk aɪt /

noun

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.

Origin of trachyte

1815–25; < French < Greek trāchýtēs roughness, equivalent to trāchý(s) rough + -tēs noun suffix

OTHER WORDS FROM trachyte

tra·chyt·ic [truh-kit-ik] /trəˈkɪt ɪk/, trach·y·toid [trak-i-toid, trey-ki-] /ˈtræk ɪˌtɔɪd, ˈtreɪ kɪ-/, adjective

Words nearby trachyte

trachomatous panniculus, trachy-, trachybasalt, trachycarpous, trachyspermous, trachyte, trachytic, tracing, tracing paper, tracing tape, track

Example sentences from the Web for trachytic

British Dictionary definitions for trachytic (1 of 2)

trachytic
/ (trəˈkɪtɪk) /

adjective

(of the texture of certain igneous rocks) characterized by a parallel arrangement of crystals, which mark the flow of the lava when still molten

British Dictionary definitions for trachytic (2 of 2)

trachyte
/ (ˈtreɪkaɪt, ˈtræ-) /

noun

a light-coloured fine-grained volcanic rock of rough texture consisting of feldspars with small amounts of pyroxene or amphibole

Derived forms of trachyte

trachytoid (ˈtrækɪˌtɔɪd, ˈtreɪ-), adjective

Word Origin for trachyte

C19: from French, from Greek trakhutēs, from trakhus rough

Scientific definitions for trachytic

trachyte
[ trā′kīt′, trăk′īt′ ]

A light-colored, fine-grained igneous rock consisting primarily of alkali feldspar together with some mafic minerals, especially hornblende. Unlike most igneous rocks, trachyte has little or no quartz. Trachyte is the fine-grained equivalent of syenite.