lepton.
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).
Meaning & usage
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).
A small, bronze Judean coin from the 1st century BCE, considered by some to be the widow's mite.
Where this word comes from
Etymology tree Pre-Greekder. Ancient Greek λέπω (lépō) Proto-Indo-European *-tós Proto-Hellenic *-tós Ancient Greek -τός (-tós) Ancient Greek λεπτόν (leptón)der. English lepton Derived from Ancient Greek λεπτόν (leptón, “small”). From Ancient Greek λεπτόν (leptón), neuter form of λεπτός (leptós, “small”).
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.
Where this word comes from
Etymology tree Pre-Greekder. Ancient Greek λέπω (lépō) Proto-Indo-European *-tós Proto-Hellenic *-tós Ancient Greek -τός (-tós) Ancient Greek λεπτόν (leptón) Ancient Greek ἤλεκτρον (ḗlektron)bor. Latin ēlectrum Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icus New Latin ēlectricusbor. English electric Proto-Indo-European *h₁ey- Proto-Indo-European *h₁éyti Proto-Hellenic *éimi Ancient Greek ἰόν (ión)der. English ion blend English electronbf. ▲ Ancient Greek -ον (-on)influ. English -on English lepton From Ancient Greek λεπτόν (leptón, “small”) + English -on. From Ancient Greek λεπτός (leptós) + -on. Coined by Dutch-American physicist Abraham Pais in 1947.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.