Word.ws English Dictionary

rock crystals

rock crystals is the plural of rock crystal.

Meaning of rock crystal

Noun

rock crystal (countable and uncountable, plural rock crystals)

  1. A clear, colorless form of the silica-based mineral quartz.
    • […] I have for Trials sake taken Lumps of Rock Crystal, and Heating them Red hot in a Crucible, I found according to my Expectation, that being Quench’d in Fair water, even those that remain’d in seemingly entire Lumps, exchang’d their Translucency for Whiteness […]1664, Robert Boyle, chapter 1, in Experiments and Considerations Touching Colours, London: Henry Herringman, page 114

Questions about rock crystals

What is rock crystals the plural of?
Rock crystals is the plural of rock crystal.

Words near rock crystals in the dictionary

  1. rock crabs
  2. rock crawler
  3. rock crawlers
  4. Rock Creek
  5. rock crystal
  6. rock crystals
  7. Rock Day
  8. rock dots
  9. rock dove
  10. rock doves
  11. rock drill

Source and license

Adapted from Wiktionary: rock crystals (page history and authors); rock crystal (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “rock crystals.” Word.ws, https://word.ws/rock_crystals. Based on Wiktionary, CC BY-SA 4.0.