quark
In the Standard Model, one of a number of elementary subatomic particles having fractional electric charge that forms matter. They are theorized not to exist in isolation, but only in combinations in hadrons such as neutrons and protons or in quark–gluon plasmas.
Other meanings
An integer that uniquely identifies a text string.
A nonsense, trivial text string.
Example sentences
Where this comes from
This definition is adapted from “quark” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.