optical

38 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

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>

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