Leu'co-cy-thæ'mi-ă or Leu'co-cy-thē'mi-ā, n.

n. [Gr. λευκός, white, κύτος, cell, and αἷμα, blood.] (Med.) A disease in which the white corpuscles of the blood are largely increased in number, and the spleen, or lymphatic glands, are enlarged.