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Density definitions

Webster's 1828 Dictionary

1. Closeness of constituent parts; compactness. Density is opposed to rarity; and in philosophy, the density of a body indicates the quantity of matter contained in it, under a given bulk. If a body of equal bulk with another is of double the density, it contains double the quantity of matter.
2. Thickness; as the density of fog.

WordNet (r) 3.0 (2005)

1: the amount per unit size [syn: density, denseness]
2: the spatial property of being crowded together [syn: concentration, density, denseness, tightness, compactness] [ant: dispersion, distribution]

Merriam Webster's

noun (plural -ties) Date: 1598 1. the quality or state of being dense 2. the quantity per unit volume, unit area, or unit length: as a. the mass of a substance per unit volume b. the distribution of a quantity (as mass, electricity, or energy) per unit usually of space (as length, area, or volume) c. the average number of individuals or units per space unit <a population density of 500 per square mile> <a housing density of 10 houses per acre> 3. a. the degree of opacity of a translucent medium b. the common logarithm of the opacity

Oxford Reference Dictionary

n. (pl. -ies) 1 the degree of compactness of a substance. 2 Physics degree of consistency measured by the quantity of mass per unit volume. 3 the opacity of a photographic image. 4 a crowded state. 5 stupidity. Etymology: F densité or L densitas (as DENSE)

Webster's 1913 Dictionary

Density Den"si*ty, n. [L. densitas; cf. F. densit['e].] 1. The quality of being dense, close, or thick; compactness; -- opposed to rarity. 2. (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[deg] Centigrade and a pressure of 760 millimeters. For liquids and solids the standard is water at a temperature of 4[deg] 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. 3. (Photog.) Depth of shade. --Abney.

Collin's Cobuild Dictionary

(densities) 1. Density is the extent to which something is filled or covered with people or things. ...a law which restricts the density of housing... The region has a very high population density. N-VAR: usu with supp, oft N of n 2. In science, the density of a substance or object is the relation of its mass or weight to its volume. (TECHNICAL) N-VAR: usu with supp, oft with poss

Soule's Dictionary of English Synonyms

n. Closeness, compactness.

Moby Thesaurus

asininity, blockishness, body, boobishness, boorishness, bovinity, callosity, callousness, cloddishness, concreteness, crassness, crudeness, denseness, dim-wittedness, dimness, doltishness, dull-wittedness, dullardism, dullness, dumbness, duncery, durability, durity, firmness, flintiness, grossness, hardness, hardness of heart, hebetude, impenetrability, induration, lethargy, loutishness, lumpishness, mass, materiality, ninnyism, oafdom, oafishness, obduracy, obtuseness, opacity, palpability, ponderability, resistance, restiveness, simpletonianism, slowness, sluggishness, solidity, sottishness, soundness, stability, steadiness, steeliness, stolidity, stoniness, stoutness, strength, stupidity, sturdiness, substance, substantiality, substantialness, tangibility, thick-headedness, thick-wittedness, toughness, unteachability, wrongheadedness, yokelism

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