axion /akˈsi-on/ (physics)

A hypothetical elementary particle

• principal quantum number
• principals
• principalship
• principalships
• principate
• principates
• principia
• principial
• principium
• principle
• principled
• principle of Archimedes
• principle of contradiction
• principle of equivalence
• principle of excluded middle
• principle of identity
• principle of least time
• principle of relativity
• principle of sufficient reason
• principle of the excluded middle
• principles
• principling
• princock
• princocks
• princox