optical

3 ENTRIES FOUND:

op·ti·cal

adjective \ˈäp-ti-kəl\

: used to help a person see

: relating to or using light

: involving the use of devices that get information for a computer by identifying patterns of light

Full Definition of OPTICAL

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

Examples of OPTICAL

  1. The company manufactures microscopes, telescopes, and other optical instruments.
  2. <an optical illusion that fools most people>

First Known Use of OPTICAL

1570

Related to OPTICAL

Synonyms
ocular, optic, visual
Antonyms
nonvisual

op·ti·cal

adjective \ˈäp-ti-kəl\   (Medical Dictionary)

Medical Definition of OPTICAL

1
: of or relating to the science of optics
2
a : of or relating to vision : visual b : using the properties of light to aid vision <an optical instrument>
3
: of, relating to, or utilizing light <optical microscopy>

Browse

Next Word in the Dictionary: optical activity
Previous Word in the Dictionary: optic (noun)
All Words Near: optical

Seen & Heard

What made you want to look up optical? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More