Definition: The word "quark" can refer to two different things:
In advanced discussions, "quark" can be used in scientific contexts to describe interactions in particle physics, such as "quark confinement," which is a phenomenon where quarks are never found alone but only in groups.
There are no specific idioms or phrasal verbs directly related to "quark," but in casual conversations, you might hear phrases like "getting into the nitty-gritty," which can refer to discussing fundamental details, much like discussing quarks in physics.
"Quark" is a versatile word that can refer to a type of cheese or a fundamental particle in physics.