(ようし)

ようし
noun
proton
1. proton (positively charged subatomic particle)
A positively charged subatomic particle found in the nucleus of an atom, together with neutrons.
原子核(げんしかく)には陽子(ようし)がある。
The atomic nucleus contains protons.
陽子(ようし)(せい)電荷(でんか)()つ。
Protons carry a positive charge.
原子(げんし)種類(しゅるい)は、原子核(げんしかく)(なか)陽子(ようし)(かず)()まる。
The type of an atom is determined by the number of protons in its nucleus.

陽子(ようし) is a physics term for a proton, the positively charged particle in an atomic nucleus. The (よう) element means 'positive,' contrasting with the negatively charged 電子(でんし) (electron).

RELATED TERMS:

  • 中性子(ちゅうせいし): neutron — the neutral particle in the nucleus
  • 電子(でんし): electron — the negatively charged particle
  • 原子核(げんしかく): atomic nucleus

NOTE:
Written the same as the common female given name 陽子(ようこ), but read differently.