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opal

noun

Simple meaning

A translucent mineral made up of hydrated silica of variable color.

Pronunciation

Say it like this:

ohpuhl

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US device voice
IPA pronunciation (US)

ˈoʊpəl

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. gemology

    A precious gem, an iridescent gemstone found in the opal-silica mineral substrate (potch)

  2. mineralogy

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

  3. mineralogy

    A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO₂·nH₂O.

  4. The colour of opal: any shade of blue with bright flecks of other colours, such as white, yellow, and red.

  5. Australia

    A type of petrol made by British Petroleum designed to be unable to be used for petrol sniffing.

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: (gemology) A precious gem, an iridescent gemstone found in the opal-silica mineral substrate (potch)

Used this way, opal is a reasonably familiar word with a mildly favourable edge. It usually sounds natural in a wide range of settings.

Emotional tone
Slightly positive
Formality
Neutral
Intensity
Moderate
How common
Moderately common
Connotation
Positive and appreciative
Usage feel
Neutral and straightforward

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

More ways to use opal

  • “Her engagement ring has a beautiful opal that shines with many colors.”noun

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.