Hȳ'gi-ōl'o-gy, n.
n. [Gr. ὑγίεια, health, and λόγος, discourse.] A treatise on, or the science of, the preservation of health. [Rare.]
n. [Gr. ὑγίεια, health, and λόγος, discourse.] A treatise on, or the science of, the preservation of health. [Rare.]