HyperDic: optic_axis

English > 2 senses of the expression optic axis:
NOUNcognitionoptic axisin a doubly refracting crystal, the line in the direction of which no double refraction occurs
cognitionoptic axis, principal axisa line that passes through the center of curvature of a lens so that light is neither reflected nor refracted
English > optic axis: 2 senses > noun 1, cognition
MeaningIn a doubly refracting crystal, the line in the direction of which no double refraction occurs.
BroaderaxisA straight line through a body or figure that satisfies certain conditions
English > optic axis: 2 senses > noun 2, cognition
MeaningA line that passes through the center of curvature of a lens so that light is neither reflected nor refracted.
Example"in a normal eye the optic axis is the direction in which objects are seen most distinctly"
Synonymprincipal axis
BroaderaxisA straight line through a body or figure that satisfies certain conditions

©2001-22 · HyperDic hyper-dictionary · Contact

English | Spanish | Catalan
Privacy | Robots

Valid XHTML 1.0 Strict