Word.ws English Dictionary

Plural of opal

regular plural

The plural of opal is opals.

Forms of opal

Singularopal /ˈəʊpəl/
Pluralopals
Countablecountable

Opals in a sentence

  • In Coober Pedy, noodling for opals is generally discouraged, although a few tourist spots, such as the Old Timers Mine, have noodle pits open to the public.1994, RonMoon, Outback Australia: a Lonely Planet Australia guide. From the entry noodle

Meaning of opal

  1. noun A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO₂·nH₂O.
  2. noun A precious gem, an iridescent gemstone found in the opal-silica mineral substrate (potch).
  3. noun The colour of opal: any shade of blue with bright flecks of other colours, such as white, yellow, and red.

Full definition of opal

Questions about the plural of opal

What is the plural of opal?
The plural of opal is opals.
Is opal countable?
Opal is a countable noun.

Source and license

Adapted from Wiktionary: opal (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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