DENSITY • DICTIONARY ONE.COM • Definition of Density

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/dˈɛnsəti/ /dˈɛnsɪti/ Listen

noun

Density n.

The quality of being dense, close, or thick; compactness; opposed to rarity.

(Physics) The ratio of mass, or quantity of matter, to bulk or volume, esp. as compared with the mass and volume of a portion of some substance used as a standard. Note: For gases the standard substance is hydrogen, at a temperature of 0° Centigrade and a pressure of 760 millimeters. For liquids and solids the standard is water at a temperature of 4° Centigrade. The density of solids and liquids is usually called specific gravity, and the same is true of gases when referred to air as a standard.

(Photog.) Depth of shade.

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Etymology of 'Density'

Collaborative International Dictionary of English 0.48

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"Density" Quotes from Famous Books

... in snowing at daybreak, and it now snowed hard. The air was so thick with the darkness of the day and the density of the fall that we could see but a very little way in any direction. Although it was extremely cold, the snow was but partially frozen, and it churned—with a sound as if it were a beach of small shells —under ...

— Bleak House • Charles Dickens

... explain truths," and the facts of Cezanne have that merit. He is truthful to the degree of eliminating many important artistic factors from his canvases. But he realises the bulk and weight of objects; he delineates their density and profile. His landscapes and his humans are as real as Manet's; he seeks to paint the actual, not the relative. There is strength if not beauty—the old canonic beauty—and in the place of the latter may be found rich ...

— Ivory Apes and Peacocks • James Huneker

... consists largely in the difficulty of fixing its terms with precision, combined with the further fact that the rays of the sun, in taking the slanting course through the earth's atmosphere, are really deflected from a straight line in virtue of the constantly increasing density of the air near the earth's surface. Alhazen must have been aware of this latter fact, since it was known to the later Alexandrian astronomers, but he takes no account of it in the present measurement. The diagram will make ...

— A History of Science, Volume 2(of 5) • Henry Smith Williams

... their talk—picked up his manuscript and began to read. Bernald sat opposite, his elbows propped on the table, his eyes fixed on the swaying waters outside, from which the moon gradually faded, leaving them to make a denser blackness in the night. As Pellerin read, this density of blackness—which never for a moment seemed inert or unalive—was attenuated by imperceptible degrees, till a greyish pallour replaced it; then the pallour breathed and brightened, and suddenly dawn was on ...

— Tales Of Men And Ghosts • Edith Wharton

... "In density of population also this island ranks first among the West Indies, having half as many inhabitants as Cuba, more than eleven times as large. Of its 807,000 people, 326,000 are colored and many of the others of mixed blood. They differ little from other Spanish-Americans, ...

— The Story of the Philippines and Our New Possessions, • Murat Halstead

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