olivine

[ ol-uh-veen, ol-uh-veen ]

/ ˈɒl əˌvin, ˌɒl əˈvin /

noun

Mineralogy. any of a group of magnesium iron silicates, (Mg,Fe)2SiO4, occurring in olive-green to gray-green masses as an important constituent of basic igneous rocks.

Also called chrysolite.

Origin of olivine

1785–95; <German Olivin, equivalent to Oliveolive + -in-ine²

OTHER WORDS FROM olivine

ol·i·vin·ic

[ol-uh-vin-ik], /ˌɒl əˈvɪn ɪk/, ol·i·vin·it·ic

[ol-uh-vi-nit-ik], /ˌɒl ə vɪˈnɪt ɪk/, adjective

Words nearby olivine

olivette, Olivia, Olivier, Olivier, Laurence, olivifugal, olivine, olivipetal, olivopontocerebellar, olivopontocerebellar atrophy, olla, olla podrida

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

Example sentences from the Web for olivine

Some of these are composed of trachyte, others of compact blue basalt with olivine.
Principles of Geology|Charles Lyell
These rocks contain also iron oxides (usually titaniferous), apatite, sometimes sphene, augite and olivine.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 2|Various
Olivine occurs in certain of the Rainier lavas, in stout prisms somewhat rounded and often with reddened borders.
Mount Rainier|Various
Grains of magnetite occur in serpentine, as an alteration-product of the olivine.
Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 4|Various

The leucite-basalts belong to more basic types and are rich in olivine and augite.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 5|Various

British Dictionary definitions for olivine

olivine

/ (ˈɒlɪˌviːn, ˌɒlɪˈviːn) /

noun

an olive-green mineral of the olivine group, found in igneous and metamorphic rocks. The clear-green variety (peridot) is used as a gemstone. Composition: magnesium iron silicate. Formula: (MgFe) 2 SiO 4 . Crystal structure: orthorhombicAlso called: chrysolite

any mineral in the group having the general formula (Mg,Fe,Mn,Ca) 2 SiO 4

Word Origin for olivine

C18: from German, named after its colour

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 olivine

olivine

[ ŏl′ə-vēn′ ]

An olive-green to brownish-green orthorhombic mineral. Olivine is a common mineral in the igneous rocks, such as basalt and gabbro, that make up most of the Earth's crust beneath the oceans. Chemical formula: (Mg,Fe)2SiO4. ♦ Olivine in which the mafic component consists entirely of magnesium is called forsterite. Chemical formula: Mg2SiO4.♦ Olivine in which the mafic component consists entirely of iron is called fayalite. Chemical formula: Fe2SiO4.

单词	olivine
释义	olivine [ ol-uh-veen, ol-uh-veen ] / ˈɒl əˌvin, ˌɒl əˈvin / noun Mineralogy. any of a group of magnesium iron silicates, (Mg,Fe)2SiO4, occurring in olive-green to gray-green masses as an important constituent of basic igneous rocks. Also called chrysolite. Origin of olivine 1785–95; <German Olivin, equivalent to Oliveolive + -in-ine² OTHER WORDS FROM olivine ol·i·vin·ic [ol-uh-vin-ik], /ˌɒl əˈvɪn ɪk/, ol·i·vin·it·ic [ol-uh-vi-nit-ik], /ˌɒl ə vɪˈnɪt ɪk/, adjective Words nearby olivine olivette, Olivia, Olivier, Olivier, Laurence, olivifugal, olivine, olivipetal, olivopontocerebellar, olivopontocerebellar atrophy, olla, olla podrida Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for olivine Some of these are composed of trachyte, others of compact blue basalt with olivine. Principles of Geology\|Charles Lyell These rocks contain also iron oxides (usually titaniferous), apatite, sometimes sphene, augite and olivine. Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 2\|Various Olivine occurs in certain of the Rainier lavas, in stout prisms somewhat rounded and often with reddened borders. Mount Rainier\|Various Grains of magnetite occur in serpentine, as an alteration-product of the olivine. Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 4\|Various The leucite-basalts belong to more basic types and are rich in olivine and augite. Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 5\|Various British Dictionary definitions for olivine olivine / (ˈɒlɪˌviːn, ˌɒlɪˈviːn) / noun an olive-green mineral of the olivine group, found in igneous and metamorphic rocks. The clear-green variety (peridot) is used as a gemstone. Composition: magnesium iron silicate. Formula: (MgFe) 2 SiO 4 . Crystal structure: orthorhombicAlso called: chrysolite any mineral in the group having the general formula (Mg,Fe,Mn,Ca) 2 SiO 4 Word Origin for olivine C18: from German, named after its colour 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 olivine olivine [ ŏl′ə-vēn′ ] An olive-green to brownish-green orthorhombic mineral. Olivine is a common mineral in the igneous rocks, such as basalt and gabbro, that make up most of the Earth's crust beneath the oceans. Chemical formula: (Mg,Fe)2SiO4. ♦ Olivine in which the mafic component consists entirely of magnesium is called forsterite. Chemical formula: Mg2SiO4.♦ Olivine in which the mafic component consists entirely of iron is called fayalite. Chemical formula: Fe2SiO4. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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