preon
nounEtymology From pre- + -on, coined in 1974 by Jogesh Pati and Abdus Salam.
1
Natural sciences, Physical sciences, Physics A hypothetical point-like particle, supposed to be a subcomponent of quarks and leptons and possibly bosons too.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.