Optical
Full definition of optical
Adjective
optical
- Of, or relating to sight; visualStrabismus is an optical defect.
- Designed to assist or enhance sightA microscope is an optical instrument.
- Of, or relating to opticsRefraction is an optical effect.
- Of, or relating to visible lightOptical telescopes don't work when it is cloudy.
- Incorporating light-sensitive devicesAn optical switch opens the door automatically.