amphibole

[ am-fuh-bohl ]

/ ˈæm fəˌboʊl /

noun Mineralogy.

any of a complex group of hydrous silicate minerals, containing chiefly calcium, magnesium, sodium, iron, and aluminum, and including hornblende, tremolite, asbestos, etc., occurring as important constituents of many rocks.

Origin of amphibole

1600–10; <French <Late Latin amphibolusamphibolous

Words nearby amphibole

amphibians, amphibiotic, amphibious, amphiblastic, amphiblastula, amphibole, amphibolic, amphibolic fistula, amphibolite, amphibology, amphibolous

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

Example sentences from the Web for amphibole

Both are common alteration products of magnesian silicate minerals such as olivine, pyroxene, and amphibole.
The Economic Aspect of Geology|C. K. Leith
Pargasite, pr′ga-sīt, n. a dark-green crystallised variety of amphibole or hornblende.
Chambers's Twentieth Century Dictionary (part 3 of 4: N-R)|Various
The fibrous variety of serpentine is the principal source of asbestos, an amphibole asbestos being less common.
Geology|William J. Miller

British Dictionary definitions for amphibole

amphibole

/ (ˈæmfɪˌbəʊl) /

noun

any of a large group of minerals consisting of the silicates of calcium, iron, magnesium, sodium, and aluminium, usually in the form of long slender dark-coloured crystals. Members of the group, including hornblende, actinolite, and tremolite, are common constituents of igneous rocks

Word Origin for amphibole

C17: from French, from Greek amphibolos uncertain; so called from the large number of varieties in the group

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 amphibole

amphibole

[ ăm′fə-bōl′ ]

Any of a large group of usually dark minerals composed of a silicate joined to various metals, such as magnesium, iron, calcium or sodium. Amphiboles occur as columnar or fibrous prismatic crystals in igneous and metamorphic rocks. Most are monoclinic, but some are orthorhombic. Hornblende, actinolite and glaucophane are amphiboles. Chemical formula: (Mg,Fe,Ca,Na)2-3(Mg,Fe,Al)5(Si,Al)8O22OH2.

单词	amphibole
释义	amphibole [ am-fuh-bohl ] / ˈæm fəˌboʊl / noun Mineralogy. any of a complex group of hydrous silicate minerals, containing chiefly calcium, magnesium, sodium, iron, and aluminum, and including hornblende, tremolite, asbestos, etc., occurring as important constituents of many rocks. Origin of amphibole 1600–10; <French <Late Latin amphibolusamphibolous Words nearby amphibole amphibians, amphibiotic, amphibious, amphiblastic, amphiblastula, amphibole, amphibolic, amphibolic fistula, amphibolite, amphibology, amphibolous Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for amphibole Both are common alteration products of magnesian silicate minerals such as olivine, pyroxene, and amphibole. The Economic Aspect of Geology\|C. K. Leith Pargasite, pr′ga-sīt, n. a dark-green crystallised variety of amphibole or hornblende. Chambers's Twentieth Century Dictionary (part 3 of 4: N-R)\|Various The fibrous variety of serpentine is the principal source of asbestos, an amphibole asbestos being less common. Geology\|William J. Miller British Dictionary definitions for amphibole amphibole / (ˈæmfɪˌbəʊl) / noun any of a large group of minerals consisting of the silicates of calcium, iron, magnesium, sodium, and aluminium, usually in the form of long slender dark-coloured crystals. Members of the group, including hornblende, actinolite, and tremolite, are common constituents of igneous rocks Word Origin for amphibole C17: from French, from Greek amphibolos uncertain; so called from the large number of varieties in the group 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 amphibole amphibole [ ăm′fə-bōl′ ] Any of a large group of usually dark minerals composed of a silicate joined to various metals, such as magnesium, iron, calcium or sodium. Amphiboles occur as columnar or fibrous prismatic crystals in igneous and metamorphic rocks. Most are monoclinic, but some are orthorhombic. Hornblende, actinolite and glaucophane are amphiboles. Chemical formula: (Mg,Fe,Ca,Na)2-3(Mg,Fe,Al)5(Si,Al)8O22OH2. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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