The definition of dense is people or things which are crowded together, something that is difficult to get through or someone who is slow to understand.(adjective)
See dense in Webster's New World College Dictionary
Origin: ME < L densus, compact < IE base *dens-, thick > Gr dasys, thick (used of hair), Hittite dassuš, strong
See dense in American Heritage Dictionary 4
adjective dens·er, dens·est
Origin: Middle English
Origin: , from Latin dēnsus.
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