optic : Idioms & Phrases

Index

Dispersion of the optic axes

  • (Crystallog.), the separation of the optic axes in biaxial crystals, due to the fact that the axial angle has different values for the different colors of the spectrum.
Webster 1913

electron optics

  • noun the branch of electronics that deals with beams of electrons and their focusing and deflection by magnetic fields
WordNet

fiber optic cable

  • noun a cable made of optical fibers that can transmit large amounts of information at the speed of light
    fiber optic cable.
WordNet

fiber optics

  • noun the transmission of light signals via glass fibers
    fiber optics; fibreoptics; fiberoptics.
WordNet

fiber-optic

  • adjective of or relating to fiber optics
    fiber-optic; fibreoptic; fiberoptic.
WordNet

fiber-optic transmission system

  • noun a communication system using fiber optic cables
    fiber-optic transmission system; FOTS.
WordNet

fibre optic cable

  • noun a cable made of optical fibers that can transmit large amounts of information at the speed of light
    fiber optic cable.
WordNet

fibre optics

  • noun the transmission of light signals via glass fibers
    fiber optics; fibreoptics; fiberoptics.
WordNet

fibre-optic

  • adjective of or relating to fiber optics
    fiber-optic; fibreoptic; fiberoptic.
WordNet

fibre-optic transmission system

  • noun a communication system using fiber optic cables
    fiber-optic transmission system; FOTS.
WordNet

Optic angle

  • (Opt.), the angle included between the optic axes of the two eyes when directed to the same point; sometimes called binocular parallax.
Webster 1913

Optic axis

  • noun in a doubly refracting crystal, the line in the direction of which no double refraction occurs
    • a crystal may have either one or two optic axes
  • noun a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted
    principal axis.
    • in a normal eye the optic axis is the direction in which objects are seen most distinctly
WordNet
  • . (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.
Webster 1913

optic chiasm

  • noun the crossing of the optic nerves from the two eyes at the base of the brain
    optic chiasm; chiasma opticum.
WordNet

optic chiasma

  • noun the crossing of the optic nerves from the two eyes at the base of the brain
    optic chiasm; chiasma opticum.
WordNet

optic cup

  • noun (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina
    eyecup.
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optic disc

  • noun the point where the optic nerve enters the retina; not sensitive to light
    blind spot; optic disc.
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optic disk

  • noun the point where the optic nerve enters the retina; not sensitive to light
    blind spot; optic disc.
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optic nerve

  • noun the cranial nerve that serves the retina
    optic nerve; second cranial nerve; nervus opticus.
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optic radiation

  • noun a nerve pathway from the lateral geniculate body to the visual cortex
    radiatio optica.
WordNet

optic tract

  • noun the cranial nerve that serves the retina
    optic nerve; second cranial nerve; nervus opticus.
WordNet

Optical circle

  • (Opt.), a graduated circle used for the measurement of angles in optical experiments.
Webster 1913

Optical square

  • a surveyor's instrument with reflectors for laying off right angles.
Webster 1913