C1adjectivesciencetechnology
US/ˈɑːp.tɪ.kəl/
UK/ˈɒp.tɪ.kəl/
relating to sight, light or the way the eye sees things
In context
The telescope has a powerful optical system made of several lenses.
The straight stick looks bent in water because of an optical effect.
He works for a company that makes optical fiber cables.
Words that go with optical
adjective + noun
- optical illusionThe picture is a famous optical illusion.
- optical fiberData travels through optical fiber at the speed of light.
- optical instrumentA microscope is an optical instrument.
- optical lensThe optical lens was ground by hand.
- optical character recognitionOptical character recognition turns scans into text.
Common mistakes
Incorrect:
optic illusionCorrect: optical illusion