black opal

noun

A rare, precious gemstone that is dark in color and is known for its play of color.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounblack opal (plural black opals)

plural black opals

  1. chemistryA rare, precious gemstone that is dark in color and is known for its play of color.
Cite this entry
APA

black opal. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/black%20opal

MLA

“black opal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/black%20opal. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “black opal,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/black%20opal.

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