noun🔗ShareLeptonA coin used since ancient times in Greece, serving in modern times as one hundredth of a phoenix, a drachma, and a euro (as the Greek form of the Eurocent)."I found a single lepton at the bottom of my old purse while cleaning out the closet; it's only worth a tiny fraction of a euro. "J'ai trouvé un seul lepton au fond de mon vieux sac à main en nettoyant le placard ; il ne vaut qu'une infime fraction d'un euro.economyfinancehistoryChat with AIVocabulary GamePractice Reading
noun🔗SharePetite pièce de bronze juiveA small, bronze Judean coin from the 1st century B.C.E., considered by some to be the widow's mite."The archaeologist carefully brushed away the dirt, revealing a small, worn lepton among the other ancient artifacts. "L'archéologue brossa soigneusement la terre, révélant une petite petite pièce de bronze juive parmi les autres artefacts anciens.historyarchaeologyreligioneconomyfinanceChat with AIVocabulary GamePractice Reading
noun🔗ShareLeptonAn elementary particle that has a spin of 1/2 (i.e., is a fermion) and does not interact via the strong nuclear force; examples include the electron, the muon, the neutrino and the tauon."Scientists study leptons, like electrons, to understand the fundamental building blocks of matter. "Les scientifiques étudient les leptons, comme les électrons, pour comprendre les éléments constitutifs fondamentaux de la matière.physicselementChat with AIVocabulary GamePractice Reading