| Library / English Dictionary |
OPTIC AXIS
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A 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
Synonyms:
optic axis; principal axis
Classified under:
Nouns denoting cognitive processes and contents
Hypernyms ("optic axis" is a kind of...):
axis (a straight line through a body or figure that satisfies certain conditions)
Sense 2
Meaning:
In a doubly refracting crystal, the line in the direction of which no double refraction occurs
Example:
a crystal may have either one or two optic axes
Classified under:
Nouns denoting cognitive processes and contents
Hypernyms ("optic axis" is a kind of...):
axis (a straight line through a body or figure that satisfies certain conditions)
