optic axis en · NOUN
Meanings
-
The optical axis.
[B]inocular creatures can in an instant […] move their eyes so as to direct the optick Axis to any point […].
1665, Robert Hooke, Micrographia, section XXXIX:
- The direction in which a ray of light passing through a crystal does not suffer double refraction.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| optic axes | Number=Plur | lexicographic |