étoile jeunecommon nounEtymologyexpandsee star and young.Definition1. Star that has not yet initiated the nuclear fusion reactions of hydrogen, has not reached the main sequence, as well as its immediate environment.astronomieexpandAntonymsétoile de la séquence principaleétoile évoluéeHyperonymétoileTranslationsenglish:pre-main sequence star
english:pre-main sequence starenglish:pre-main sequence star