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...

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

Luculent :: Luculent (a.) Clear; evident; luminous.

Thaumatrope :: Thaumatrope (n.) An optical instrument or toy for showing the presistence of an impression upon the eyes after the luminous object is withdrawn.

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..

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

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..

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..

Brightsome :: Brightsome (a.) Bright; clear; luminous; brilliant.

Radiant :: Radiant (n.) The luminous point or object from which light emanates; also, a body radiating light brightly..

Illustrious :: Illustrious (a.) Possessing luster or brightness; brilliant; luminous; splendid.

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

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..

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..

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

Bright :: Bright (a.) Radiating or reflecting light; shedding or having much light; shining; luminous; not dark.

Illustrate :: Illustrate (v. t.) To make clear, bright, or luminous..

Self-luminous :: Self-luminous (a.) Possessing in itself the property of emitting light.

Dextrorotatory :: Dextrorotatory (a.) Turning, or causing to turn, toward the right hand; esp., turning the plane of polarization of luminous rays toward the right hand; as, dextrorotatory crystals, sugars, etc. Cf. Levorotatory..

Sundown :: Sundog (n.) A luminous spot occasionally seen a few degrees from the sun, supposed to be formed by the intersection of two or more halos, or in a manner similar to that of halos..

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