• Webster's Revised Unabridged Dictionary
    • n Hygrology (Med) The science which treats of the fluids of the body.
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Century Dictionary and Cyclopedia
    • n hygrology That part of medical science which treats of the humors of the body.
    • n hygrology The study of the origin and properties of aqueous vapor, including its evaporation, condensation, pressure, relative humidity, density, weight, and all the relations of vapor or moisture to the atmosphere.
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Webster's Revised Unabridged Dictionary
Gr. wet + -logy,: cf. F. hygrologie,