Quark is valid Scrabble Word

Is quark a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is quark valid Words with Friends?
Words with Friends YES

5 letters word
18 points in Scrabble
19 points in WWF

Definitions for QUARK in dictionary:

NOUN:

a fundamental subatomic particle
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.
a type of low-fat curd cheese.
subatomic particle thought to be the fundamental unit of matter
(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
fresh unripened cheese of a smooth texture made from pasteurized milk, a starter, and rennet

OTHER DEFINITIONS:

a hypothetical atomic particle

Words related to QUARK

quarks19

Words that contain QUARK

quarks19 squark19 diquark21 squarks20 diquarks22 antiquark22 antiquarks23 pentaquark25 pentaquarks26

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