Meaning Of The Word Opal

Real Dictionary
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Opal Meaning

Opal Definition
Opal Definition

What's The Definition Of Opal?

opal
variable noun: An opal is a precious stone. Opals are colourless or white, but other colours are reflected in them.

opal in American English
an amorphous, iridescent mineral, SiO2·n H2O, of various colors, often used as a gem; hydrous silicon oxide
noun: a female given name
noun: a mineral, an amorphous form of silica, SiO2 with some water of hydration, found in many varieties and colors, including a form that is milky white

opal in British English
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.nH2 O

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