Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of luminous is as below...

Corona :: Corona (n.) A peculiar phase of the aurora borealis, formed by the concentration or convergence of luminous beams around the point in the heavens indicated by the direction of the dipping needle..

Light :: Light (n.) That agent, force, or action in nature by the operation of which upon the organs of sight, objects are rendered visible or luminous..

Dusky :: Dusky (a.) Partially dark or obscure; not luminous; dusk; as, a dusky valley..

Voluminous :: Voluminous (a.) Having written much, or produced many volumes; copious; diffuse; as, a voluminous writer..

Aluminous :: Aluminous (a.) Pertaining to or containing alum, or alumina; as, aluminous minerals, aluminous solution..

Beam :: Beam (n.) A ray or collection of parallel rays emitted from the sun or other luminous body; as, a beam of light, or of heat..

Sun :: Sun (n.) The luminous orb, the light of which constitutes day, and its absence night; the central body round which the earth and planets revolve, by which they are held in their orbits, and from which they receive light and heat. Its mean distance from the earth is about 92,500,000 miles, and its diameter about 860,000..

Shiny :: Shiny (superl.) Bright; luminous; clear; unclouded.

Geissler Tube :: Geissler tube () A glass tube provided with platinum electrodes, and containing some gas under very low tension, which becomes luminous when an electrical discharge is passed through it; -- so called from the name of a noted maker in germany. It is called also Plucker tube, from the German physicist who devised it..

Dragon :: Dragon (n.) A luminous exhalation from marshy grounds, seeming to move through the air as a winged serpent..

Crepusculous :: Crepusculous (a.) Pertaining to twilight; glimmering; hence, imperfectly clear or luminous..

Halo :: Halo (n.) A luminous circle, usually prismatically colored, round the sun or moon, and supposed to be caused by the refraction of light through crystals of ice in the atmosphere. Connected with halos there are often white bands, crosses, or arches, resulting from the same atmospheric conditions..

Photosphere :: Photosphere (n.) A sphere of light; esp., the luminous envelope of the sun..

Orb :: Orb (n.) The eye, as luminous and spherical..

Voluminous :: Voluminous (a.) Consisting of many folds, coils, or convolutions..

Voluminous :: Voluminous (a.) Of or pertaining to volume or volumes.

Photopsia :: Photopsia (n.) An affection of the eye, in which the patient perceives luminous rays, flashes, coruscations, etc. See phosphene..

Firefly :: Firefly (n.) Any luminous winged insect, esp. luminous beetles of the family Lampyridae..

Effulgent :: Effulgent (a.) Diffusing a flood of light; shining; luminous; beaming; bright; splendid.

Anthracite :: Anthracite (n.) A hard, compact variety of mineral coal, of high luster, differing from bituminous coal in containing little or no bitumen, in consequence of which it burns with a nearly non luminous flame. The purer specimens consist almost wholly of carbon. Also called glance coal and blind coal..

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