Definition: A particle that is a constituent of ordinary matter.
Generalizations:
Specializations:
Involved in:
related field(s)- particle physics
potential real-world examples-
... present: http://www.fas.org/irp/world/index.html Afghanistan Khedamat-e Etelea'at-e Dawlati (Defunct) Argentina Central Nacional de Inteligenzia[?] ...