noun bary·o·gen·e·sis \ˌber-ē-ō-ˈje-nə-səs, ˌba-rē-\

Definition of baryogenesis

  1. :  the physical process or processes by which baryons were created in the beginning of the universe <One of the mysteries of modern physics is that there appears to be more matter than antimatter in the Universe. It has been suggested that in the early Universe a process called baryogenesis took place, creating excess matter and breaking the symmetry between matter and antimatter. — Eugenie Samuel>

Origin and Etymology of baryogenesis

bary(on) + -o- + genesis

First Known Use: 1981

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