Definition: A particle that is a constituent of ordinary matter.
Generalizations:
Specializations:
Involved in:
related field(s)- particle physics
potential real-world examples-
... the town. The population density is 1,533.8/km² (3,985.3/mi²). There are 1,784 housing units at an average density of 485.1/km² (1,260.4/mi²). The ...