andesite

[ an-duh-zahyt ]

/ ˈæn dəˌzaɪt /

noun

a dark-colored volcanic rock composed essentially of plagioclase feldspar and one or more mafic minerals, as hornblende or biotite.

Origin of andesite

1840–50; named after Andes; see -ite¹

OTHER WORDS FROM andesite

an·de·sit·ic

[an-duh-zit-ik], /ˌæn dəˈzɪt ɪk/, adjective

Words nearby andesite

Anderson splint, Andersonville, Anderssen, Andes, andesine, andesite, Andes lightning, and how!, Andhra Pradesh, andiamo, Andie

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

Example sentences from the Web for andesite

The rock in which the Hungarian Opals occur is eruptive, and of the kind known as andesite.
Birds and Nature Vol. 11 No. 3 [March 1902]|Various
The rocks of which the mountains are composed consist of varieties of andesite.
Volcanoes: Past and Present|Edward Hull
On the summits nearer to Tahoe the volcanic outflows were of andesite, a rough and porous rock of dark gray to dark brown color.
The Lake of the Sky|George Wharton James
The shaft is sunk in a very hard rock (andesite), every foot of which requires to be blasted.
Scientific American Supplement, No. 508, September 26, 1885|Various

The Ochils and other hills of middle Scotland largely consist of andesite.
The New Gresham Encyclopedia. Vol. 1 Part 2|Various

British Dictionary definitions for andesite

andesite

/ (ˈændɪˌzaɪt) /

noun

a fine-grained tan or grey volcanic rock consisting of plagioclase feldspar, esp andesine, amphibole, and pyroxene

Word Origin for andesite

C19: from Andes + -ite 1

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 andesite

andesite

[ ăn′dĭ-zīt′ ]

A gray, fine-grained volcanic rock. Andesite consists mainly of sodium-rich plagioclase feldspar and one or more mafic minerals such as biotite, hornblende, or pyroxene. It often contains small, visible crystals (phenocrysts) of plagioclase.

单词	andesite
释义	andesite [ an-duh-zahyt ] / ˈæn dəˌzaɪt / noun a dark-colored volcanic rock composed essentially of plagioclase feldspar and one or more mafic minerals, as hornblende or biotite. Origin of andesite 1840–50; named after Andes; see -ite¹ OTHER WORDS FROM andesite an·de·sit·ic [an-duh-zit-ik], /ˌæn dəˈzɪt ɪk/, adjective Words nearby andesite Anderson splint, Andersonville, Anderssen, Andes, andesine, andesite, Andes lightning, and how!, Andhra Pradesh, andiamo, Andie Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for andesite The rock in which the Hungarian Opals occur is eruptive, and of the kind known as andesite. Birds and Nature Vol. 11 No. 3 [March 1902]\|Various The rocks of which the mountains are composed consist of varieties of andesite. Volcanoes: Past and Present\|Edward Hull On the summits nearer to Tahoe the volcanic outflows were of andesite, a rough and porous rock of dark gray to dark brown color. The Lake of the Sky\|George Wharton James The shaft is sunk in a very hard rock (andesite), every foot of which requires to be blasted. Scientific American Supplement, No. 508, September 26, 1885\|Various The Ochils and other hills of middle Scotland largely consist of andesite. The New Gresham Encyclopedia. Vol. 1 Part 2\|Various British Dictionary definitions for andesite andesite / (ˈændɪˌzaɪt) / noun a fine-grained tan or grey volcanic rock consisting of plagioclase feldspar, esp andesine, amphibole, and pyroxene Word Origin for andesite C19: from Andes + -ite 1 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 andesite andesite [ ăn′dĭ-zīt′ ] A gray, fine-grained volcanic rock. Andesite consists mainly of sodium-rich plagioclase feldspar and one or more mafic minerals such as biotite, hornblende, or pyroxene. It often contains small, visible crystals (phenocrysts) of plagioclase. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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