Meaning of OPTICAL in English

OPTICAL

transcription, транскрипция: [ ˈäp-ti-kəl ]

adjective

Date: 1570

1. : of or relating to the science of optics

2.

a. : of or relating to vision : visual

b. : visible 1

optical wavelength

c. : of, relating to, or being objects that emit light in the visible range of frequencies

an optical galaxy

d. : using the properties of light to aid vision

an optical instrument

3.

a. : of, relating to, or utilizing light especially instead of other forms of energy

optical microscopy

b. : involving the use of light-sensitive devices to acquire information for a computer

optical character recognition

4. : of or relating to optical art

• op·ti·cal·ly -k(ə-)lē adverb

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.