1. (physics) a particle predicted to exist in the Standard Model but as yet undetected; it is a massive scalar particle responsible for giving mass to other elementary particles
   - Higgs

Encyclopedia: Higgs boson

• Oryza
• Oryza sativa
• Oryzomys
• Oryzomys palustris
• Oryzopsis
• Oryzopsis hymenoides
• Oryzopsis miliacea
• orzo
• os
• os breve
• os capitatum
• os frontale
• os hamatum
• os hyoideum
• os ischii
• os longum
• os lunatum
• os nasale
• os palatinum
• os pisiforme
• os pubis
• os scaphoideum
• os sesamoideum
• os sphenoidale
• os tarsi fibulare