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Webster’s Dictionary (1828)



89 words match “LUMINOUS”

PATRISTIC; PATRISTICAL a.
Of or pertaining to the Fathers of the Christian church. The voluminous editor of Jerome anf of tons of patristic theology. I. Taylor.
PHONOSCOPE n.
An instrument for producing luminous figures by the vibrations of sounding bodies.
PHOSPHENE n.
A luminous impression produced through excitation of the retina by some cause other than the impingement upon it of rays of light, as by pressure upon the eyeball when the lids are closed. Cf. After- image.
PHOSPHORESCENT a.
Shining with a phosphoric light; luminous without sensible heat. -- n.
PHOTISM n.
A luminous image or appearance of a hallucinatory character.
PHOTOGRAPHOMETER n.
ument for determining the sensibility of the plates employed in photographic processes to luminous rays.
PHOTOPHORE n.
(Zoöl.) A light-emitting organ; specif., one of the luminous spots on certain marine (mostly deep-sea) fishes.
PHOTOPSIA n.
An affection of the eye, in which the patient perceives luminous rays, flashes, coruscations, etc. See phosphene.
PHOTOSCOPE n.
Anything employed for the observation of light or luminous effects.
PHOTOSPHERE n.
A sphere of light; esp., the luminous envelope of the sun.
PLATINUM n.
loyed as an oxidizer. -- Platinum lamp (Elec.), a kind of incandescent lamp of which the luminous medium is platinum. See under Incandescent. -- Platinum metals (Chem.), the group of metallic elements which in their chemical and physical properties resemble platinum. These consist of the light platinum group, viz., r…
RADIANT n.
The luminous point or object from which light emanates; also, a body radiating light brightly.
RADIATE v.
ct lines from a point or surface; to issue in rays, as light or heat. Light radiates from luminous bodies directly to our eyes. Locke.
RADIOPHONE n.
An apparatus for the production of sound by the action of luminous or thermal rays. It is essentially the same as the photophone.
RELUCENT a.
Reflecting light; shining; glittering; glistening; bright; luminous; splendid. Gorgeous banners to the sun expand Their streaming volumes of relucent gold. Glover.
SCIOPTICS n.
The art or process of exhibiting luminous images, especially those of external objects, in a darkened room, by arrangements of lenses or mirrors.
SERPENT n.
hite substance which in burning gives off a poisonous vapor and leaves a peculiar brown voluminous residue which is expelled in a serpentine from. It is employed as a scientific toy. -- Serpent cucumber (Bot.), the long, slender, serpentine fruit of the cucurbitaceous plant Trichosanthes colubrina; also, the plant its…
SHADOWY a.
Not brightly luminous; faintly light. The moon . . . with more pleasing light, Shadowy sets off the face things. Milton.
SHINY a.
Bright; luminous; clear; unclouded. Like distant thunder on a shiny day. Dryden.
SHOOTING a.
. -- Shooting iron, a firearm. [Slang, U.S.] -- Shooting star. (a) (Astron.) A starlike, luminous meteor, that, appearing suddenly, darts quickly across some portion of the sky, and then as suddenly disappears, leaving sometimes, for a few seconds, a luminous train, - - called also falling star. Shooting stars are sma…
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