optical
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 • optically adverb

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • optical — UK US /ˈɒptɪkəl/ adjective ► relating to light and the ability to see: »optical equipment/goods/devices »They manufacture a variety of lenses, mirrors, prisms, and other optical components. ► IT relating to the ability of a piece of electronic… …   Financial and business terms

  • optical — 1560s, from OPTIC (Cf. optic) + AL (Cf. al) (1) …   Etymology dictionary

  • optical — ► ADJECTIVE ▪ relating to vision, light, or optics. DERIVATIVES optically adverb …   English terms dictionary

  • optical — [äp′ti kəl] adj. 1. of or connected with the sense of sight; visual; ocular 2. of the relation between light and vision 3. having to do with optics 4. for aiding vision optically adv …   English World dictionary

  • optical — adj. 1 of sight; visual. 2 a of or concerning sight or light in relation to each other. b belonging to optics. 3 (esp. of a lens) constructed to assist sight or on the principles of optics. Phrases and idioms: optical activity Chem. the property… …   Useful english dictionary

  • Optical — Optic Op tic ([o^]p t[i^]k), Optical Op tic*al ([o^]p t[i^]*kal), a. [F. optique, Gr. optiko s; akin to o psis sight, o pwpa I have seen, o psomai I shall see, and to o sse the two eyes, o ps face, L. oculus eye. See {Ocular}, {Eye}, and cf.… …   The Collaborative International Dictionary of English

  • optical — optically, adv. /op ti keuhl/, adj. 1. of, pertaining to, or applying optics or the principles of optics. 2. constructed to assist sight or to correct defects in vision. 3. of or pertaining to sight or vision; visual. 4. of or pertaining to the… …   Universalium

  • optical — [[t]ɒ̱ptɪk(ə)l[/t]] ADJ: usu ADJ n Optical devices, processes, and effects involve or relate to vision, light, or images. ...optical telescopes. ...the optical effects of volcanic dust in the stratosphere …   English dictionary

  • optical — adjective 1 used for seeing images and light: microscopes and other optical instruments 2 concerned with the way light is seen: an optical diagram 3 using light, especially for the purpose of sending or storing information for use in a computer… …   Longman dictionary of contemporary English

  • optical — adjective a) Of, or relating to sight; visual Strabismus is an optical defect. b) Designed to assist or enhance sight A microscope is an optical instrument …   Wiktionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”