noun
1.
a. : the angle formed by the optical axes of the two eyes when directed to the same point
b. : visual angle
2. : the angle between the optic axes of a biaxial crystal
noun
1.
a. : the angle formed by the optical axes of the two eyes when directed to the same point
b. : visual angle
2. : the angle between the optic axes of a biaxial crystal
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012