dense

[dens]
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; < Latin dēnsus thick; cognate with Greek dasýs

densely, adverb
denseness, noun
nondenseness, noun
superdense, adjective
ultradense, adjective


1. congested, crammed, teeming; impenetrable.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
dense (dɛns)
 
adj
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
 
[C15: from Latin densus thick; related to Greek dasus thickly covered with hair or leaves]
 
'densely
 
adv
 
'denseness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

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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Example sentences
Densely built environments, it is now recognized, need less energy.
Little by little, our academic buildings have become less densely populated.
If you plant landscaped areas densely, dogs will stay out, our readers say.
Its fleshy gray-green leaves are densely spotted with brownish-purple blotches.
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