What's the difference between grating and optical?

Grating


Definition:

  • (p. pr. &. vb. n.) of Grate
  • (n.) A partition, covering, or frame of parallel or cross bars; a latticework resembling a window grate; as, the grating of a prison or convent.
  • (n.) A system of close equidistant and parallel lines lines or bars, especially lines ruled on a polished surface, used for producing spectra by diffraction; -- called also diffraction grating.
  • (n.) The strong wooden lattice used to cover a hatch, admitting light and air; also, a movable Lattice used for the flooring of boats.
  • (a.) That grates; making a harsh sound; harsh.
  • (n.) A harsh sound caused by attrition.

Example Sentences:

  • (1) Vertical gratings are tinged with green and horizontal gratings with pink.
  • (2) It is a moment to be grateful for what remains of Labour's hard left: an amendment to scrap the cap was at least tabled by John McDonnell and Jeremy Corbyn but stood no chance.
  • (3) The use of a new ultraviolet laser combined with a holographic grating spectrograph promises to increase the number of fluorescing species that can be detected simultaneously.
  • (4) Experiment 4 measured curvature selectivity as a function of the orientation of a curved adapting grating.
  • (5) The ARCT for the 15.0 c deg-1 grating was significantly higher than for the other two gratings.
  • (6) I personally felt grateful that British TV set itself apart from its international rivals in this way, not afraid to challenge, to stretch the mind and imagination.
  • (7) Gerson Zweifach, general counsel for both News Corp and 21st Century Fox , Murdoch’s film and TV business, said: “We are grateful that this matter has been concluded and acknowledge the fairness and professionalism of the Department of Justice throughout this investigation.” It is understood there has been no background settlement with the Department of Justice in order to avoid a full-blown investigation, contrary to speculation in New York over a year ago that the company was looking at a possible payment of over $850m.
  • (8) We should be grateful the School Food Trust has established this now, before we end up falling down a slippery slope back towards the dreaded Turkey Twizzler that Jamie Oliver campaigned to banish," he added.
  • (9) Dissociated culture of adult mouse dorsal root ganglion cells on glass plates, on which grating-associated microstructures (a repetition of microgrooves [mGRV] and microsteps [mSTP] of 0.1-10 micron) are fabricated by the conventional lithographic techniques, represents a remarkable bi-directional growth of their nerve fibers in the axial direction of the grating.
  • (10) This leads to the prediction that reaction time to grating onset will be linearly related to the square of the grating frequency.
  • (11) Accommodation measurements of nine young, emmetropic subjects were obtained with an infrared optometer while they viewed superimposed horizontal and vertical square-wave gratings at various dioptric separations.
  • (12) The effect of contrast on the range of temporal frequencies over which direction of movement can be discriminated differs for the three types of pattern: beats resemble neither low nor high spatial frequency gratings.
  • (13) Even before she gets to the Timeless premiere, the Mail Online has run two news stories on her that day: the first detailing what she was wearing in the morning, the second furnishing a grateful world with the news that she'd subsequently changed her outfit and taken her sunglasses off.
  • (14) However, similarly tested Keplerian telescopes exhibited significantly higher MTF's with vertical gratings.
  • (15) Acuity for the direction of drift for these stimuli is of the same order of precision as orientation acuity for static or drifting gratings, and exhibits a meridional anisotropy that favours the principal meridians.
  • (16) AJ Green was waiting just behind him, and the receiver gratefully pulled in the softly fluttering ball.
  • (17) We tentatively suggest that a preferential loss of contrast sensitivity to horizontal gratings might be due to a functional abnormality in the striate cortex that relatively spares the extrastriate cortex.
  • (18) A breathless Sturridge was still trying to digest his part in the game when he paid tribute to Hodgson, saying: “I’m grateful to the gaffer for allowing me to score and it’s a beautiful feeling to represent your country in the rivalry against another great country.
  • (19) A technique for rapid behavioral screening of grating acuity in infants 1 to 4 months of age is described.
  • (20) "We are enormously grateful that the Komen Foundation has clarified its grantmaking criteria, and we look forward to continuing our partnership with Komen partners, leaders and volunteers.

Optical


Definition:

  • (a.) Of or pertaining to vision or sight.
  • (a.) Of or pertaining to the eye; ocular; as, the optic nerves (the first pair of cranial nerves) which are distributed to the retina. See Illust. of Brain, and Eye.
  • (a.) Relating to the science of optics; as, optical works.

Example Sentences:

  • (1) Following central retinal artery ligation, infarction of the retinal ganglion cells was reflected by a 97 per cent reduction in the radioactively labeled protein within the optic nerve.
  • (2) This study examined both the effect of variations in optical fiber tip and in light wavelength on laser-induced hyperthermia in rat brain.
  • (3) The number of axons displaying peptide-like immunoreactivity within the optic nerve, retinal or cerebral to the crush, and within the optic chiasm gradually decreased after 2-3 months.
  • (4) Once the normal variations are mastered, appreciation of retinal, choroidal, optic nerve, and vitreal abnormalities is possible.
  • (5) Chromatolysis and swelling of the cell bodies of cut axons are more prolonged than after optic nerve section and resolve in more central regions of retina first.
  • (6) CW Nd:YAG light transmitted by fiber optic cable and sapphire crystal was applied transsclerally to the ciliary body of pigmented and albino rabbits.
  • (7) Unlike results seen in the goldfish optic nerve, injury to the rat optic nerve induced no observable increase in laminin content or change in its distribution.
  • (8) This is the first report of anterior ischemic optic neuropathy as a result of hemodialysis-associated hypotension.
  • (9) It is shown that, by comparison of a reacting mixture at chemical equilibrium with a non-reacting but equally composed one, the sum of the mean concentrations of the reaction products can immediately be taken from optical absorption or from interferometric measurements.
  • (10) A television camera scans the spread through microscope optics; computer and special purpose electronics process the video signals to generate run length histograms.
  • (11) The purity and configuration of each isomer of the free acid and N-chloroacetylated derivative were ascertained by: (a) paper chromatography in five solvent systems, (b) elemental analysis, (c) Van Slyke nitrous acid determination of alpha-carbonyl carbon, and (d) Van Slyke ninhydrin determination of alpha-carbonyl carbon, and (e) optical rotation.
  • (12) The optical and oxygen binding properties of the reconstituted myoglobins containing two isomeric monoformyl-monovinylhemins were found to be different.
  • (13) These images were previously determined by using a recently developed hybrid optical-digital method.
  • (14) The development of optical fibers capable of transmitting laser energy has encouraged the experimental use of laser irradiation for the treatment of acquired cardiovascular disorders.
  • (15) This technique is sensitive to the optical anisotropy within the muscle, including that due to intrinsic properties of the protein molecules as well as that due to the regular arrangement of proteins in the surrounding medium.
  • (16) Patients should be evaluated by perimetry using an appropriate strategy and contrast sensitivity testing, along with careful examination of the optic discs.
  • (17) Thus, during treatment with ethambutol visually (pattern) evoked potentials may reveal a surprisingly high percentage of subclinical optic neuritis.
  • (18) The optical efficiencies are similar and depend on the match of the excitation characteristics of the stain with the emission spectra of the light source.
  • (19) Morphological results demonstrated that 30 Gy irradiated animals showed extensive necrosis primarily in the fimbria, which extended into the internal capsule, optic nerve, hippocampus, and thalamus.
  • (20) A compact attachment for microscope-type instruments is described enabling to introduce, rapidly and qualitatively, minute biological speciments into melted embedding medium and ensuring the safety of optics.