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...

Radiophone :: 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.

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

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..

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..

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

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..

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

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

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

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..

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An optical instrument or toy for showing the presistence of an impression upon the eyes after the luminous object is withdrawn.

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

Luminant :: Luminant (a.) Luminous.

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..

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

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..

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

Phosphorescent :: Phosphorescent (a.) Shining with a phosphoric light; luminous without sensible heat.

Macula :: Macula (n.) A spot, as on the skin, or on the surface of the sun or of some other luminous orb..

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

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