QUARK

quark

(noun) (physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3; “quarks have not been observed directly but theoretical predictions based on their existence have been confirmed experimentally”

Source: WordNet® 3.1

Etymology 1

Noun

quark (plural quarks)

(particle) In the Standard Model, an elementary subatomic particle that forms matter. They combine to form hadrons, such as protons and neutrons.

(computing, X Window System) An integer that uniquely identifies a text string.

Hyponyms

• beauty quark

• bottom quark

• charm quark

• down quark

• strange quark

• top quark

• truth quark

• up quark

Etymology 2

Noun

quark (uncountable)

A soft creamy cheese, eaten throughout northern, central, and eastern Europe, very similar to cottage cheese except that it is usually not made with rennet.