Optically
Op·tic·al·ly
Optically
adv.
- By optics or sight.
- With reference to optics.
Phrases & Compounds
- Optically active
- terms used of certain isomeric substances which, while identical with each other in other respects, differ in this, viz., that they do or do not produce right-handed or left-handed circular polarization of light. See optical activity.
- Optically positive
- See under Refraction.