Dictionary Definition
dense adj
1 permitting little if any light to pass through
because of denseness of matter; "dense smoke"; "heavy fog";
"impenetrable gloom" [syn: heavy, impenetrable]
2 closely crowded together; "a compact shopping
center"; "a dense population"; "thick crowds" [syn: compact, thick]
3 hard to pass through because of dense growth;
"dense vegetation"; "thick woods" [syn: thick]
4 having high relative density or specific
gravity; "dense as lead"
5 slow to learn or understand; lacking
intellectual acuity; "so dense he never understands anything I say
to him"; "never met anyone quite so dim"; "although dull at
classical learning, at mathematics he was uncommonly quick"
Thackeray; "dumb officials make some really dumb decisions"; "he
was either normally stupid or being deliberately obtuse"; "worked
with the slow students" [syn: dim, dull, dumb, obtuse, slow]
User Contributed Dictionary
English
Etymology
From densus.Pronunciation
 /dɛns/

 Rhymes with: ɛns
Adjective
 Having relatively high density.
 Compact; crowded together.
 Thick; difficult to penetrate.
 Opaque; allowing little light to pass through.
 Obscure , or difficult to understand.
 Of a person, slow to comprehend; of low intelligence.
Synonyms
 sense having relatively high density solid
 sense crowded together compact, crowded, packed
 sense difficult to penetrate thick, solid
 cloudy, opaque
 sense difficult to understand abstruse, difficult, hard, incomprehensible, obscure, tough
 sense slow to comprehend dumb, slow, stupid, thick
Antonyms
 sense having relatively high density
 sense crowded together diffuse, few and far between , scattered, sparse
 sense difficult to penetrate thin
 clear, diaphanous, seethrough, translucent, transparent
 sense difficult to understand clear, comprehensible, easy, simple, straightforward, understandable
 sense slow to comprehend bright, canny, intelligent, quick, quickwitted, smart
Translations
 Danish: tæt
 Finnish: tiheä, tiivis
 Hebrew: צפוף (tzafuf) (1)
 Ido: densa
 Italian: denso all meanings
 Slovene: gost , gosta , gosto
 Spanish: denso
French
Etymology
From densus.Pronunciation
Adjective
Related terms
Italian
Adjective
Latin
Etymology
From densus.Adverb
 closely, in rapid succession
References
 Charlton T. Lewis (1891) An Elementary Latin Dictionary, 1st edition. (Oxford University Press)
Extensive Definition
Density and dense usually refer to a measure of
how much of some entity is within a fixed amount of other space.
Types of density include:
In physics:
 Density, mass per
volume
 Area density, mass over a (twodimensional) area
 Linear density, mass over a (onedimensional) line
 Planck density, Planck mass per Planck length
 Specific gravity, a dimensionless ratio based on the density of a substance to the density of water
 Relative
density, a measure of density in comparison to the density of
something else
 Vapour density, a relative density used for gases
 Current
density, the ratio of electric current to area
 Charge density, the electric charge per volume
 Energy density, potential energy per unit volume or mass, depending on context
 Force density, force per unit volume
 Information density, the amount of information compared to many units
 Optical density, the absorbance of an element
In mathematics:
 Dense set and nowhere dense set in topology
 Schnirelmann density in number theory
 Natural density (also called asymptotic density) in number theory
 Lebesgue density in measure theory

Probability density function, a function which maps
probabilities across the real line and whose integral is 1
 Density estimation is the construction of an estimate of a probability density function
 Kernel density estimation, used in statistics to estimate a probability density function of a random variable
 Tensor density in differential geometry
 Density in graph theory, the fraction of possible edges that exist in a graph
 Dense order in order theory
 Denseinitself, in geometry, is a set that contains no isolated points
 In forcing (mathematics), a subset D of a forcing notion (P, ≤ ) is called dense in P if for any p in P there is d in D with d≤p
In other scientific fields:
 Population density, population per unit area
 Computer storage density, bits (how computers store information) over an amount of area or volume
Density can also refer to:
 Spiritual density, states of being for various planes of existence
dense in Afrikaans: Digtheid
(dubbelsinnig)
dense in Aragonese: Densidat
dense in Spanish: Densidad
(desambiguación)
dense in French: Densité (homonymie)
dense in Indonesian: Kerapatan
dense in Interlingua (International Auxiliary
Language Association): Densitate (disambiguation)
dense in Hebrew: צפיפות
dense in Dutch: Dichtheid
dense in Uzbek: Zichlik
dense in Russian: Плотность (значения)
dense in Thai: ความหนาแน่น
(แก้ความกำกวม)
Synonyms, Antonyms and Related Words
Boeotian, adamantine, asinine, beefbrained,
beefwitted, blockheaded, blockish, bony, bovine, bristling, broadbodied,
bulky, bullnecked, cement, cemental, chumpish, cloddish, close, closeknit, closetextured,
closewoven, coarse,
compact, compacted, compressed, concentrated, concrete, condensed, congested, consolidated, corneous, corpulent, cowish, crammed, crammed full, crass, crawling, crowded, diamondlike, dim, dimwitted, doltish, dull, dullard, dumb, duncical, duncish, durable, dure, enduring, exuberant, fat, fatheaded, firm, flintlike, flinty, flourishing, foolish, full, fullbodied, gluey, granitelike, granitic, gross, hard, hard as nails, hardhearted, heaped, heavy, heavyset, horny, impassable, impassive, impenetrable, impermeable, ineducable, ironhard,
ironlike, jampacked,
jammed, jungled, jungly, klutzy, lapideous, lasting, lethargic, lithoid, lithoidal, lumpish, lush, luxuriant, marble, marblelike, massed, massive, nonporous, numskulled, oafish, obdurate, obtuse, opaque, osseous, overgrown, overrun, packed, phlegmatic, piled, populous, rank, resistant, resistive, riotous, rocklike, rocky, rugged, serried, slow, slowwitted, sluggish, solid, sottish, sound, stable, steady, steellike, steely, stolid, stonelike, stony, stout, strong, stupid, sturdy, substantial, swarming, teeming, thick, thickbodied,
thickgrowing, thickwitted, thickheaded, thickset, threedimensional,
tight, torpid, tough, unteachable, unweeded, unyielding, viscid, viscose, viscous, weedchoked,
weedridden, weedy,
wellbuilt, wellconstructed, wellfounded, wellgrounded,
wellmade, wrongheaded