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...

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..

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..

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

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

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..

Luminant :: Luminant (a.) Luminous.

Draco :: Draco (n.) A luminous exhalation from marshy grounds.

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

Phosphene :: 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..

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

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..

Luminous :: Luminous (a.) Enlightened; intelligent; also, clear; intelligible; as, a luminous mind..

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..

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..

Chronoscope :: Chronoscope (n.) An instrument for measuring minute intervals of time; used in determining the velocity of projectiles, the duration of short-lived luminous phenomena, etc..

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..

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

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

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..

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

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