eyestone

E1Y4E1S1T1O1N1E1

noun

A small, lenticular, calcareous body, especially an operculum of a small shell of the family Tubinidae, used to remove a foreign substance from the eye.

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Meanings

nouneyestone (plural eyestones)

plural eyestones

  1. A small, lenticular, calcareous body, especially an operculum of a small shell of the family Tubinidae, used to remove a foreign substance from the eye.
  2. chemistryEye agate.

Synonyms & antonyms

Also see
eye agate

Origin

From eye + stone.

Full word history & related roots →
Cite this entry
APA

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

MLA

“eyestone.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/eyestone. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “eyestone,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/eyestone.

Source: eyestone on Wiktionary, CC BY-SA 4.0.