Answer:

lepton

AnswerCrossword Clue
LEPTONJumped atop
LEPTONElectron or muon
LEPTONParticle category that includes electrons
LEPTONPhysicist's particle
LEPTONSubatomic particle
LEPTONMollusk or atomic particle
LEPTONMollusk, coin or elementary particle
LEPTON100th of a drachma
LEPTONPhysics particle with no strong force
LEPTONElementary particle
LEPTON1-100 of a drachma
LEPTONDrachma division
LEPTONHundredth of a drachma
LEPTONOne hundredth of a drachma
LEPTONOne hundredth of a drachma, once
LEPTONNeutrino, e.g.