noun Download 🔗Share A 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). Examples : "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. " economy finance history Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A small, bronze Judean coin from the 1st century B.C.E., considered by some to be the widow's mite. Examples : "The archaeologist carefully brushed away the dirt, revealing a small, worn lepton among the other ancient artifacts. " history archaeology religion economy finance Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share An 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. Examples : "Scientists study leptons, like electrons, to understand the fundamental building blocks of matter. " physics element Chat with AIVocabulary GamePractice Reading
