an elementary particle that constitutes matter

A quark is an elementary particle that constitutes matter aligning with the very small resource footprint that Quarkus aims to provide.

a subatomic particle

To some, a quark is a subatomic particle.

a fresh cheese, usually made with cow’s milk

, quark is a fresh cheese, usually made with cow’s milk.

a fresh cheese, that is made from cultured milk

Quark is a fresh cheese, that is made from cultured milk.