Meaning Of The Word Opal

Real Dictionary

What's the definition of Opal? Find Opal meanings, definitions and more at the Real Dictionary online.

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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