Roget's Thesaurus Part 49

visual organ, organ of vision; eye; naked eye, una.s.sisted eye; retina, pupil, iris, cornea, white; optics, orbs; saucer eyes, goggle eyes, gooseberry eyes.

short sight &c. 443; clear sight, sharp sight, quick sight, eagle sight, piercing sight, penetrating sight, clear glance, sharp glance, quick glance, eagle glance, piercing glance, penetrating glance, clear eye, sharp eye, quick eye, eagle eye, piercing eye, penetrating eye; perspicacity, discernment; catopsis[obs3].

eagle, hawk; cat, lynx; Argus[obs3].

evil eye; basilisk, c.o.c.katrice [Mythical].

V. see, behold, discern, perceive, have in sight, descry, sight, make out, discover, distinguish, recognize, spy, espy, ken; get a sight of, have a sight of, catch a sight of, get a glimpse of, have a glimpse of, catch a glimpse of; command a view of; witness, contemplate, speculate; cast the eyes on, set the eyes on; be a spectator &c. 444 of; look on &c. (be present) 186; see sights &c. (curiosity) 455; see at a glance &c.

(intelligence) 498.

look, view, eye; lift up the eyes, open one's eye; look at, look on, look upon, look over, look about one, look round; survey, scan, inspect; run the eye over, run the eye through; reconnoiter, glance round, glance on, glance over turn one's looks upon, bend one's looks upon; direct the eyes to, turn the eyes on, cast a glance.

observe &c. (attend to) 457; watch &c. (care) 459; see with one's own eyes; watch for &c. (expect) 507; peep, peer, pry, take a peep; play at bopeep[obs3].

look full in the face, look hard at, look intently; strain one's eyes; fix the eyes upon, rivet the eyes upon; stare, gaze; pore over, gloat on; leer, ogle, glare; goggle; c.o.c.k the eye, squint, gloat, look askance.

Adj. seeing &c. v.; visual, ocular; optic, optical; ophthalmic.

clear-eyesighted &c. n.; eagle-eyed, hawk-eyed, lynx-eyed, keen-eyed, Argus-eyed.

visible &c. 446.

Adv. visibly &c. 446; in sight of, with one's eyes open at sight, at first sight, at a glance, at the first blush; prima facie[Lat].

Int. look! &c. (attention) 457.

Phr. the scales falling from one's eyes; "an eye like Mars to threaten or command" [Hamlet]; "her eyes are homes of silent prayer"

[Tennyson]; "looking before and after" [Hamlet]; "thy rapt soul sitting in thine eyes" [Milton].

#442. Blindness. -- N. blindness, cecity[obs3], excecation , amaurosis[obs3], cataract, ablepsy , ablepsia[obs3], prestriction ; dim- sightedness &c. 443; Braille, Braille-type; guttaserena ("drop serene"), noctograph[obs3], teichopsia[obs3].

V. be blind &c. adj.; not see; lose sight of; have the eyes bandaged; grope in the dark.

not look; close the eyes, shut the eyes-, turn away the eyes, avert the eyes; look another way; wink &c. (limited vision) 443; shut the eyes to, be blind to, wink at, blink at.

render blind &c. adj.; blind, blindfold; hoodwink, dazzle, put one's eyes out; throw dust into one's eyes, pull the wool over one's eyes; jeter de la poudre aux yeux[Fr]; screen from sight &c. (hide) 528.

Adj. blind; eyeless, sightless, visionless; dark; stone-blind, sand- blind, stark-blind; undiscerning[obs3]; dimsighted &c. 443.

blind as a bat, blind as a buzzard, blind as a beetle, blind as a mole, blind as an owl; wall-eyed.

blinded &c. v.

Adv. blindly, blindfold, blindfolded; darkly.

Phr. "O dark, dark, dark, amid the blaze of noon" [Milton].

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#443. [Imperfect vision.] Dimsightedness. [Fallacies of vision.] -- N.

dim sight, dull sight half sight, short sight, near sight, long sight, double sight, astigmatic sight, failing sight; dimsightedness &c.; purblindness, lippitude[obs3]; myopia, presbyopia[obs3]; confusion of vision; astigmatism; color blindness, chromato-pseudo-blepsis[obs3], Daltonism; nyctalopia[obs3]; strabismus, strabism[obs3], squint; blearedness[obs3], day blindness, hemeralopia[obs3], nystagmus; xanthocyanopia[obs3], xanthopsia[Med]; cast in the eye, swivel eye, goggle- eyes; obliquity of vision.

winking &c. v.; nict.i.tation; blinkard[obs3], albino.

dizziness, swimming, scotomy[obs3]; cataract; ophthalmia.

[Limitation of vision] blinker; screen &c. (hider) 530.

[Fallacies of vision] deceptio visus[Lat]; refraction, distortion, illusion, false light, anamorphosis[obs3], virtual image, spectrum, mirage, looming, phasma ; phantasm, phantasma[obs3], phantom; vision; specter, apparition, ghost; ignis fatuus &c. (luminary) 423 specter of the Brocken magic mirror[Lat]; magic lantern &c. (show) 448; mirror lens &c.

(instrument) 445.

V. be dimsighted &c. n.; see double; have a mote in the eye, have a mist before the eyes, have a film over the eyes; see through a prism, see through a gla.s.s darkly; wink, blink, nict.i.tate; squint; look askant[obs3], askant askance[obs3]; screw up the eyes, glare, glower; nictate[obs3].

dazzle, loom.

Adj. dim-sighted &c. n.; myopic, presbyopic[obs3]; astigmatic moon- eyed, mope-eyed, blear-eyed, goggle-eyed, gooseberry-eyed, one-eyed; blind of one eye, monoculous[obs3]; half-blind, purblind; c.o.c.k-eyed, dim-eyed, mole-eyed; dichroic.

blind as a bat &c. (blind) 442; winking &c. v.

#444. Spectator. -- N. spectator, beholder, observer, looker-on, onlooker, witness, eyewitness, bystander, pa.s.ser by; sightseer; rubberneck , rubbernecker * [U. S.].

spy; sentinel &c. (warning) 668.

V. witness, behold &c. (see) 441; look on &c. (be present) 186; gawk, rubber *, rubberneck *[U.S.].

#445. Optical Instruments. -- N. optical instruments; lens, meniscus, magnifier, sungla.s.s, magnifying gla.s.s, hand lens; microscope, megascope[obs3], tienoscope[obs3].

spectacles, specs [coll.],gla.s.ses, barnacles, goggles, eyegla.s.s, pince-nez, monocle, reading gla.s.ses, bifocals; contact lenses, soft lenses, hard lenses; sungla.s.ses, shades[coll.].

periscopic lens[obs3]; telescope, gla.s.s, lorgnette; spygla.s.s, opera gla.s.s, binocular, binoculars, field gla.s.s; burning gla.s.s, convex lens, concave lens, convexo-concave lens[obs3], coated lens, multiple lens, compound lens, lens system, telephoto lens, wide-angle lens, fish-eye lens, zoom lens; optical bench.

astronomical telescope, reflecting telescope, reflector, refracting telescope, refractor, Newtonian telescope, folded-path telescope, finder telescope, chromatoscope; X-ray telescope; radiotelescope, phased-array telescope, Very Large Array radiotelescope; ultraviolet telescope; infrared telescope; star spectroscope; s.p.a.ce telescope.

[telescope mounts] altazimuth mount, equatorial mount.

refractometer, circular dichroism spectrometer.

interferometer.

phase-contrast microscope, fluorescence microscope, dissecting microscope; electron microscope, transmission electron microscope; scanning electron microscope, SEM; scanning tunneling electron microscope.

[microscope components] objective lens, eyepiece, barrel, platform, focusing k.n.o.b; slide, slide gla.s.s, cover gla.s.s, counting chamber; illuminator, light source, polarizer, [component parts of telescopes] reticle, cross-hairs.

light pipe, fiber optics mirror, reflector, speculum; looking-gla.s.s, pier-gla.s.s, cheval-gla.s.s, rear-view mirror, hand mirror, one-way mirror, magnifying mirror.

[room with distorting mirrors] fun house.

prism, diffraction grating; beam splitter, half-wave plate, quarter- wave plate.

camera lucida[Lat], camera obscura[Lat]; magic lantern &c. (show) 448; stereopticon; chromatrope[obs3], thaumatrope[obs3]; stereoscope, pseudoscope[obs3], polyscope[obs3], kaleidoscope.

photometer, eriometer[obs3], actinometer[obs3], lucimeter[obs3], radiometer; ligth detector, photodiode, photomultiplier, photodiode array, photocell.

X-ray diffractometer, goniometer.

spectrometer, monochrometer, UV spectrometer, visible spectrometer, Infrared spectrometer, Fourier transform infrared spectrometer, recording spectrometer; densitometer, scanning densitometer, two-dimensional densitometer.

abdominoscope[obs3], gastroscope[Med], helioscope[obs3], polariscope[obs3], polemoscope[obs3], spectroscope.

abdominoscopy[obs3]; gastroscopy[Med]; microscopy, microscopist.

#446. Visibility. -- N. visibility, perceptibility; conspicuousness, distinctness &c. adj.; conspicuity[obs3], conspicuousness; appearance &c.

448; ba.s.setting[obs3]; exposure; manifestation &c. 525; ocular proof, ocular evidence, ocular demonstration; field of view &c. (vision) 441; periscopism[obs3].

V. be become visible &c. adj.; appear, open to the view; meet the eye, catch the eye; ba.s.set; present itself, show manifest itself, produce itself, discover itself, reveal itself, expose itself, betray itself; stand forth, stand out; materialize; show; arise; peep out, peer out, crop out; start up, spring up, show up, turn up, crop up; glimmer, loom; glare; burst forth; burst upon the view, burst upon the sight; heave in sight; come in sight, come into view, come out, come forth, come forward; see the light of day; break through the clouds; make its appearance, show its face, appear to one's eyes, come upon the stage, float before the eyes, speak for itself &c. (manifest) 525; attract the attention &c. 457; reappear; live in a gla.s.s house.

expose to view &c. 525.

Adj. visible, perceptible, perceivable, discernible, apparent; in view, in full view, in sight; exposed to view, en evidence; unclouded, un.o.bscured[obs3], in the foreground.

obvious &c. (manifest) 525; plain, clear, distinct, definite; well defined, well marked; in focus; recognizable, palpable, autoptical[obs3]; glaring, staring, conspicuous; stereoscopic; in bold, in strong relief.

periscopic[obs3], panoramic.

before one's eyes, under one's eyes; before one, vue d'oeil[Fr], in one's eye, oculis subjecta fidelibus[Lat].

Adv. visibly &c. adj.; in sight of; before one's eyes &c. adj.; veluti in speculum[Lat].

#447. Invisibility. -- N. invisibility, invisibleness, nonappearance, imperceptibility; indistinctness &c. adj.; mystery, delitescence[obs3].

concealment &c. 528; latency &c. 526.

V. be invisible &c. adj.; be hidden &c. (hide) 528; lurk &c. (lie hidden) 526; escape notice.

render invisible &c. adj.; conceal &c. 528; put out of sight.

not see &c. (be blind) 442; lose sight of.

Adj. invisible, imperceptible; undiscernible[obs3], indiscernible; unapparent, non-apparent; out of sight, not in sight; a perte de vue[French]; behind the scenes, behind the curtain; viewless, sightless; inconspicuous, unconspicuous[obs3]; unseen &c. (see see &c. 441); covert &c. (latent) 526; eclipsed, under an eclipse.

dim &c. (faint) 422; mysterious, dark, obscure, confused; indistinct, indistinguishable; shadowy, indefinite, undefined; ill-defined, ill-marked; blurred, fuzzy, out of focus; misty &c. (opaque) 426; delitescent[obs3].

hidden, obscured, covered, veiled (concealed) 528.

Phr. "full many a flower is born to blush unseen" [Gray].

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#448. Appearance. -- N. appearance, phenomenon, sight, spectacle, show, premonstration , scene, species, view, coup d'oeil[Fr]; lookout, outlook, prospect, vista, perspective, bird's-eye view, scenery, landscape, picture, tableau; display, exposure, mise en scene[Fr]; rising of the curtain.

phantasm, phantom &c. (fallacy of vision) 443.

pageant, spectacle; peep-show, raree-show, gallanty-show; ombres chinoises[Sp]; magic lantern, phantasmagoria, dissolving views; biograph[obs3], cinematograph, moving pictures; panorama, diorama, cosmorama[obs3], georama[obs3]; coup de theatre, jeu de theatre[Fr]; pageantry &c. (ostentation) 882; insignia &c. (indication) 550. aspect, angle, phase, phasis[obs3], seeming; shape &c. (form) 240; guise, look, complexion, color, image, mien, air, cast, carriage, port, demeanor; presence, expression, first blush, face of the thing; point of view, light.

lineament feature trait lines; outline, outside; contour, face, countenance, physiognomy, visage, phiz[obs3],. cast of countenance, profile, tournure[obs3], cut of one's jib, metoposcopy[obs3]; outside &c.

220.

V. appear; be visible, become visible &c. 446; seem, look, show; present the appearance of, wear the appearance of, carry the appearance of, have the appearance of, bear the appearance of, exhibit the appearance of, take the appearance of, take on the appearance of, a.s.sume the appearance, present the semblance of, wear the semblance of, carry the semblance of, have the semblance of, bear the semblance of, exhibit the semblance of, take the semblance of, take on the semblance of, a.s.sume the semblance of; look like; cut a figure, figure; present to the view; show &c. (make manifest) 525.

Adj. apparent, seeming, ostensible; on view.

Adv. apparently; to all seeming, to all appearance; ostensibly, seemingly, as it seems, on the face of it, prima facie [Lat]; at the first blush, at first sight; in the eyes of; to the eye.

Phr. editio princeps [Lat].