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Definition of Opal in English :

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Opal meaning in English

Meaning of Opal in English

Pronunciation of Opal in English

Opal pronunciation in English

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Opal

see synonyms of opal

Noun

1. opal

a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones

WordNet Lexical Database for English. Princeton University. 2010.

Opal

see synonyms of opal
noun
an amorphous, usually iridescent, mineral that can be of almost any colour, found in igneous rocks and around hot springs. It is used as a gemstone. Composition: hydrated silica. Formula: SiO2.nH2O

Collins English Dictionary. Copyright © HarperCollins Publishers

Opal

see synonyms of opal
noun
an amorphous, iridescent mineral, SiO2·n H2O, of various colors, often used as a gem; hydrous silicon oxide

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Opal

see synonyms of opal
n.
1. A mineral of hydrated silica.
2. A gemstone made of this mineral, noted for its rich iridescence.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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