Assertion: antimatter particle | /r/DefinedAs | their negative baryon number
Facets:
value: formally
type: MANNER
Source sentences:
text: Formally, antimatter particles can be defined by their negative baryon number or lepton number, while "normal" (non-antimatter) matter particles have positive baryon or lepton number.
text: Antimatter particles can be defined by their negative baryon number or lepton number, while "normal" (non-antimatter) matter particles have a positive baryon or lepton number.