Main Entry:

had·ron

Pronunciation:

\ˈha-ˌdrän\

Function:

noun

Etymology:

International Scientific Vocabulary hadr- thick, heavy (from Greek hadros thick) + ²-on

Date:

1962

: any of the subatomic particles (as protons and neutrons) that are made up of quarks and are subject to the strong force

— ha·dron·ic \ha-ˈdrä-nik\ adjective