Am'au-rō'sis, n.

n. [N. Lat. amaurosis, Fr. amau-rose, Gr. ἀμαύρωσις, from ἀμαυρός, dark, dim; μαῦρος, dark, with a intens.] (Med.) A loss or decay of sight, without any visible defect in the eye, usually from loss of power in the optic nerve; — called also gutta serena, the “drop serene,” of Milton.