Proton

Pronunciation

• RP IPA: /ˈprəʊ.tÉ’n/
• US IPA: /ˈproÊŠ.tɑːn/
• Hyphenation: pro + ton

Origin

From Ancient Greek πρῶτον, neuter of πρῶτος (prōtos, "first")

Full definition of proton

Noun

1. (particle) positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element; the nucleus of the most common isotope of hydrogen; composed of two up quarks and a down quark

Synonyms

• p (symbolic)

Hypernyms

• nucleon

Anagrams

• pronto