Definition of top quark in English:

top quark

Syllabification: top quark

Entry from US English dictionary

(abbreviation: t)

noun

Physics
A quark with a mass of about 340,000 times that of an electron and a charge of + 2/ 3.

Definition of top quark in:

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Pronunciation: enˈvenəm
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put poison on or into; make poisonous