Search the Dictionary

Illumination; irradiance; brilliancy. Sir W. Scott.

the future historian." Lowell. (b) A lantern made of a pumpkin so prepared as to show in illumination the features of a human face, etc. -- Yellow Jack (Naut.), the yellow fever; also, the quarantine flag. See Yellow flag, under Flag.

An oil used for illuminating purposes, formerly obtained from the distillation of mineral wax, bituminous shale, etc., and hence called also coal oil. It is now produced in immense quantities, chiefly by the distillation and purification of petroleum. It consists chiefly of several hydrocarbons of the methane series.…

e, esp. the internal fat of the abdomen; also, this fat melted and strained. Lard oil, an illuminating and lubricating oil expressed from lard. -- Leaf lard, the internal fat of the hog, separated in leaves or masses from the kidneys, etc.; also, the same melted.

That which illumines or makes clear to the mind; mental or spiritual illumination; enlightenment; knowledge; information. He shall never know That I had any light of this from thee. Shak.

Illumination, or degree of illumination; as, the lightness of a room. Chaucer.

mmable than safe kerosene. It is used as a solvent, as a carburetant for air gas, and for illumination in special lamps.

ct, process, or art of one who limns; the picture or decoration so produced. Adorned with illumination which we now call limning. Wood.

A unit of illumination, being the amount of illumination of a unit area of spherical surface, due to a light of unit intensity placed at the center of the sphere.

Illumination. [Obs.]

position, and they are variously used for food, for solvents, for anointing, lubrication, illumination, etc. By extension, any substance of an oily consistency; as, oil of vitriol.

cup or deep saucer, containing fatty matter in which a wick is placed, -- used for public illuminations, as at St. Peter's, in Rome. Called also padelle.

he light is partly, but not wholly, cut off by the intervening body; the space of partial illumination between the umbra, or perfect shadow, on all sides, and the full light. Sir I. Newton.

A perfectionist. See also Illuminati, 2. [R.]

appearance or state in a regularly recurring cycle of changes with respect to quantity of illumination or form of enlightened disk; as, the phases of the moon or planets. See Illust. under Moon.

especially, for comparing the relative intensities of different lights, or their relative illuminating power.

A musical instrument in which the tones are produced by flames of hydrogen, or illuminating gas, burning in tubes of different sizes and lengths.

To shelter or screen by intercepting the rays of light; to keep off illumination from. Milton. I went to crop the sylvan scenes, And shade our altars with their leafy greens. Dryden.

hing which has a warming and cheering influence like that of the rays of the sun; warmth; illumination; brightness. That man that sits within a monarch's heart, And ripens in the sunshine of his favor. Shak.

distinguished from a revealed, knowledge of God, supposed to be attained by extraordinary illumination; especially, a direct insight into the processes of the divine mind, and the interior relations of the divine nature.