Optic

4 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Optic \Op"tic\ ([o^]p"t[i^]k), n. [From {Optic}, a.]
     1. The organ of sight; an eye.
        [1913 Webster]
  
              The difference is as great between
              The optics seeing, as the object seen. --Pope.


        [1913 Webster]
  
     2. An eyeglass. [Obs.] --Herbert.
        [1913 Webster] Optic

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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. {Canopy}, {Ophthalmia}.]
     1. Of, pertaining to, or using vision or sight; as, optical
        illusions. [WordNet sense 2]
  
     Syn: ocular, optic, visual.
          [1913 Webster + WordNet 1.5]
  
                The moon, whose orb
                Through optic glass the Tuscan artist views.
                                                    --Milton.
          [1913 Webster]
  
     2. Of or pertaining to the eye; ocular; as, the optic nerves
        (the first pair of cranial nerves) which are distributed
        to the retina; the optic (or optical) axis of the eye. See
        Illust. of {Brain}, and {Eye}. [WordNet sense 3]
        [1913 Webster]
  
     3. Relating to the science of optics or to devices designed
        to assist vision; as, optical works; optical equipment.
        [WordNet sense 1]
        [1913 Webster +PJC]
  
     {Optic angle} (Opt.), the angle included between the optic
        axes of the two eyes when directed to the same point; --
        sometimes called {binocular parallax}.
  
     {Optic axis}. (Opt.)
        (a) A line drawn through the center of the eye
            perpendicular to its anterior and posterior surfaces.
            In a normal eye it is in the direction of the optic
            axis that objects are most distinctly seen.
        (b) The line in a doubly refracting crystal, in the
            direction of which no double refraction occurs. A
            uniaxial crystal has one such line, a biaxial crystal
            has two.
  
     {Optical circle} (Opt.), a graduated circle used for the
        measurement of angles in optical experiments.
  
     {Optical square}, a surveyor's instrument with reflectors for
        laying off right angles.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  optic
       adj 1: of or relating to or resembling the eye; "ocular muscles";
              "an ocular organ"; "ocular diseases"; "the optic (or
              optical) axis of the eye"; "an ocular spot is a
              pigmented organ or part believed to be sensitive to
              light" [syn: {ocular}, {optical}, {opthalmic}]
       2: relating to or using sight; "ocular inspection"; "an optical
          illusion"; "visual powers"; "visual navigation" [syn: {ocular},
           {optical}, {visual}]
       n : the organ of sight [syn: {eye}, {oculus}]

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

  36 Moby Thesaurus words for "optic":
     baby blues, banjo eyes, bright eyes, clear eyes, cornea, eye,
     eyeball, eyelid, goggle eyes, iris, lens, lid, naked eye,
     nictitating membrane, ocular, oculus, ophthalmic, ophthalmologic,
     optic nerve, optical, optometrical, orb, organ of vision, peeper,
     popeyes, pupil, retina, saucer eyes, sclera, seeing, starry orbs,
     unaided eye, visible, visional, visual, visual organ