Hēm'a-tŏl'ō-gy, n.
n. [Gr. αἷμα, αἵματος, blood, and λόγος, treatise, discourse.] (Med.) That branch of medical science which pertains to the blood.
n. [Gr. αἷμα, αἵματος, blood, and λόγος, treatise, discourse.] (Med.) That branch of medical science which pertains to the blood.