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dense

[dens] /dɛns/
adjective, denser, densest.
1.
having the component parts closely compacted together; crowded or compact:
a dense forest; dense population.
2.
stupid; slow-witted; dull.
3.
intense; extreme:
dense ignorance.
4.
relatively opaque; transmitting little light, as a photographic negative, optical glass, or color.
5.
difficult to understand or follow because of being closely packed with ideas or complexities of style:
a dense philosophical essay.
6.
Mathematics. of or pertaining to a subset of a topological space in which every neighborhood of every point in the space contains at least one point of the subset.
Origin
1590-1600
1590-1600; < Latin dēnsus thick; cognate with Greek dasýs
Related forms
densely, adverb
denseness, noun
nondenseness, noun
superdense, adjective
ultradense, adjective
Synonyms
1. congested, crammed, teeming; impenetrable.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for ultra-dense

dense

/dɛns/
adjective
1.
thickly crowded or closely set a dense crowd
2.
thick; impenetrable a dense fog
3.
(physics) having a high density
4.
stupid; dull; obtuse
5.
(of a photographic negative) having many dark or exposed areas
6.
(of an optical glass, colour, etc) transmitting little or no light
Derived Forms
densely, adverb
denseness, noun
Word Origin
C15: from Latin densus thick; related to Greek dasus thickly covered with hair or leaves
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for ultra-dense
dense
c.1600, from L. densus "thick, crowded." Sense of "stupid" is first recorded 1822.
Online Etymology Dictionary, © 2010 Douglas Harper
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