gastrolith
noun
gas·tro·lith
ˈga-strə-ˌlith 
: a stone or pebble ingested by an animal and functioning to grind food in gastric digestion
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Display cases also hold opalized freshwater crayfish gastroliths, or yabby buttons, which are found only in Lightning Ridge’s opal mines.
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Michelle Innis, New York Times, 5 July 2016
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Michelle Innis, New York Times, 5 July 2016
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“Gastrolith.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gastrolith. Accessed 1 Dec. 2024.
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gastrolith
noun
gas·tro·lith
ˈga-strə-ˌlith
: a gastric calculus
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