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: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9
[2x]
: L- L. La Lb Lc Ld Le Lf Lg Lh Li Lj Ll Lm Lo Lp Lr Ls Lt Lu Lv Lw Lx Ly
leptodactylus pentadactylus | leptoglossus | leptology | leptomeninges | leptomeningitis | lepton | leptopteris | leptopteris superba | leptoptilus | leptoptilus crumeniferus | leptoptilus dubius

lepton

 : 
Noun
 : 
lep=ton

CIDE DICTIONARY

leptonn. 
     an elementary particle that participates in weak interactions but does not participate in the strong interaction; it has a baryon number of 0. Some known leptons are the electron, the negative muon, the tau-minus particle, and the neutrinos associated with each of these particles.  [WordNet 1.5]

OXFORD DICTIONARY

lepton, n. (pl. lepta) a Greek coin worth one-hundredth of a drachma.

lepton, n. (pl. leptons) Physics any of a class of elementary particles which do not undergo strong interaction, e.g. an electron, muon, or neutrino.

Etymology
LEPTO- + -ON

For further exploring for "lepton" in Webster Dictionary Online


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