“During the 20th century, scientists discovered the proton, electron, neutron, and quark.”
Noun
1. (Physics) Any of a number of subatomic particles carrying a fractional electric charge, postulated as building blocks of the hadrons. Quarks have not been directly observed but theoretical predictions based on their existence have been confirmed experimentally.
Example Sentences
Word Origin
English, 1960s
Why this word?
Facilisi sed ante id et euismod volutpat. Sollicitudin urna, lacus viverra risus auctor. Eget sed vestibulum enim quisque id molestie elementum.