from The Century Dictionary.

  • noun The small gritty particles found in the cavity of the inner ear of many animals; minute concretions in the labyrinth, distinguished from otoliths or otostea by their fineness; otoconia. See otoconium.


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  • The material within, if present in relatively large particles, is called otoltths ( "earstone" G), and if present in fine particles is called otoconia (oh'toh-koh'nee-uh; "ear-dust" G).

    The Human Brain


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