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

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for trachyte

Some of these are composed of trachyte, others of compact blue basalt with olivine.
Principles of Geology|Charles Lyell
Trachyte (trachys, rough) is a pale or dark-gray rock, harsh and rough to the touch, in which felspar is the predominant mineral.
Geology|James Geikie
The last is in a sienitic rock on the limits of the trachyte.
A Dictionary of Arts, Manufactures and Mines|Andrew Ure
The last of the trachyte peaks are at the head of Mosquito pass.
The Crest of the Continent|Ernest Ingersoll

Or, again, I see no difficulty in a mass of trachyte being exposed by subsequent dislocations and bared or cleaned by rain.
More Letters of Charles Darwin Volume II|Charles Darwin

British Dictionary definitions for trachyte

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for trachyte

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.

单词	trachyte
释义	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 Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for trachyte Some of these are composed of trachyte, others of compact blue basalt with olivine. Principles of Geology\|Charles Lyell Trachyte (trachys, rough) is a pale or dark-gray rock, harsh and rough to the touch, in which felspar is the predominant mineral. Geology\|James Geikie The last is in a sienitic rock on the limits of the trachyte. A Dictionary of Arts, Manufactures and Mines\|Andrew Ure The last of the trachyte peaks are at the head of Mosquito pass. The Crest of the Continent\|Ernest Ingersoll Or, again, I see no difficulty in a mass of trachyte being exposed by subsequent dislocations and bared or cleaned by rain. More Letters of Charles Darwin Volume II\|Charles Darwin British Dictionary definitions for trachyte 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 Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for trachyte 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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