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.
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OTHER WORDS FROM andesite
an·de·sit·ic [an-duh-zit-ik] /ˌæn dəˈzɪt ɪk/, adjectiveWords nearby andesite
andersonville, anderssen, andes, andes lightning, andesine, andesite, andhra pradesh, andiamo, andie, andijon, andikithira
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Example sentences from the Web for andesite
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
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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
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