lepton

• اسم له معنيان رئيسيان: (1) وحدة نقدية يونانية قديمة كانت تساوي جزءًا من مئة من الدراخما؛ (2) جسيم أولي خفيف لا يشارك في التفاعل القوي ويخضع للتفاعل الضعيف والكهرومغناطيسي.

A noun with two distinct meanings: (1) a former monetary unit of Greece, equal to one hundredth of a drachma; (2) a type of elementary particle that participates in weak interactions and has a baryon number of zero.

1. Currency unitC1formal

   A former monetary unit of Greece, equal to one hundredth of a drachma.

   لبتة

   • The price was only a few lepta.
   • He found an old coin worth 10 lepta.
   • The lepton was used in Greece before the euro.

2. Elementary particleC2formalscientific

   A fundamental particle that does not undergo strong interactions and has a spin of 1/2, such as an electron, muon, or neutrino.

   جسيم أولي

   • Electrons are a type of lepton.
   • The Standard Model includes six types of leptons.
   • Leptons are not affected by the strong nuclear force.

   الأضدادhadron