sun opal

noun

A rare variety of precious opal known for its striking play of color effect, which becomes especially vivid when exposed to direct sunlight.

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Meanings

nounsun opal (plural sun opals)

plural sun opals

  1. A rare variety of precious opal known for its striking play of color effect, which becomes especially vivid when exposed to direct sunlight.
Cite this entry
APA

sun opal. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/sun%20opal

MLA

“sun opal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sun%20opal. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “sun opal,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/sun%20opal.

Source: sun opal on Wiktionary, CC BY-SA 4.0.