- having the component parts closely compacted together; crowded or compact: a dense forest; dense population.
- stupid; slow-witted; dull.
- intense; extreme: dense ignorance.
- relatively opaque; transmitting little light, as a photographic negative, optical glass, or color.
- difficult to understand or follow because of being closely packed with ideas or complexities of style: a dense philosophical essay.
- Mathematics. of or relating 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 of dense
1590–1600; < Latin dēnsus thick; cognate with Greek dasýs
SynonymsSee more synonyms for dense on Thesaurus.com
1. congested, crammed, teeming; impenetrable.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for superdense
The star blows away most of its gaseous envelope, leaving only the superdense core.Islands of Space
John W Campbell
- astronomy of or relating to an extreme condition in which matter is forced into nonclassical states, as when electrons are forced into protons, leaving only neutronssuperdense matter
- thickly crowded or closely seta dense crowd
- thick; impenetrablea dense fog
- physics having a high density
- stupid; dull; obtuse
- (of a photographic negative) having many dark or exposed areas
- (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
Word Origin and History for superdense
early 15c., from Middle French dense and directly from Latin densus "thick, crowded; cloudy," perhaps from PIE root *dens- "dense, thick" (cf. Greek dasus "hairy, shaggy"). Sense of "stupid" is first recorded 1822.
Online Etymology Dictionary, © 2010 Douglas Harper