equability

E`qua*bil"i*ty, n. Etym: [L. aequabilitas, fr. aequabilis. See Equable.] Defn: The quality or condition of being equable; evenness or uniformity; as, equability of temperature; the equability of the mind. For the celestial bodies, the equability and constancy of their motions argue them ordained by wisdom. Ray.

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