Word.ws English Dictionary

grainstone

grainstone noun: a kind of calcareous rock that lacks mud and is grain-supported.

Noun

grainstone (countable and uncountable, plural grainstones)

  1. A kind of calcareous rock that lacks mud and is grain-supported.

Forms of grainstone

pluralgrainstones

Origin of grainstone

From grain + stone.

Questions about grainstone

What does grainstone mean?
Grainstone means a kind of calcareous rock that lacks mud and is grain-supported.
What part of speech is grainstone?
Grainstone is a noun.
What is the plural of grainstone?
The plural of grainstone is grainstones.

Words near grainstone in the dictionary

  1. grains of paradise
  2. grains of truth
  3. grains up
  4. grainsize
  5. grainsizes
  6. grainstone
  7. grainstones
  8. grainwise
  9. grainy
  10. grainyhead
  11. Graioceli

Source and license

Adapted from Wiktionary: grainstone (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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