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...

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

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..

Photographometer :: Photographometer (n.) An instrument for determining the sensibility of the plates employed in photographic processes to luminous rays.

Corona :: Corona (n.) A circle, usually colored, seen in peculiar states of the atmosphere around and close to a luminous body, as the sun or moon..

Foliosity :: Foliosity (n.) The ponderousness or bulk of a folio; voluminousness.

Corona :: Corona (n.) A peculiar luminous appearance, or aureola, which surrounds the sun, and which is seen only when the sun is totally eclipsed by the moon..

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..

Lustrous :: Lustrous (a.) Bright; shining; luminous.

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

Scioptics :: 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..

Pargasite :: Pargasite (n.) A dark green aluminous variety of amphibole, or hornblende..

Hornblende :: Hornblende (n.) The common black, or dark green or brown, variety of amphibole. (See Amphibole.) It belongs to the aluminous division of the species, and is also characterized by its containing considerable iron. Also used as a general term to include the whole species..

Meteor :: Meteor (n.) Specif.: A transient luminous body or appearance seen in the atmosphere, or in a more elevated region..

Dim :: Dim (superl.) Not bright or distinct; wanting luminousness or clearness; obscure in luster or sound; dusky; darkish; obscure; indistinct; overcast; tarnished.

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

Nebula :: Nebula (n.) A faint, cloudlike, self-luminous mass of matter situated beyond the solar system among the stars. True nebulae are gaseous; but very distant star clusters often appear like them in the telescope..

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..

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..

Fire Beetle :: Fire beetle () A very brilliantly luminous beetle (Pyrophorus noctilucus), one of the elaters, found in Central and South America; -- called also cucujo. The name is also applied to other species. See Firefly..

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

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