Primary (disambiguation)

This disambiguation page lists articles associated with the same or a similar title.

• In education [r]: Add brief definition or description
• In economics [r]: Add brief definition or description
• In biochemistry [r]: Add brief definition or description
• In fission and fusion weapons [r]: A weapon that produces extremely powerful explosions from principles involving subatomic particle reactions, rather than the chemical reactions among atoms that power conventional explosives ^[e]