Definition of "quark" in English

noun

1. (particle physics) 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.

2. An integer that uniquely identifies a text string.

3. A nonsense, trivial text string.

noun

1. A soft, creamy, unripened cheese made from cow's milk, originating from and eaten throughout central, northern, eastern, and southeastern Europe, as well as the Low Countries.

noun

1. (Falkland Islands, informal) The black-crowned night heron (Nycticorax nycticorax).