CosmologyStudy of the universe
Definitions:
The science of the origin and development of the universe.
QuantumReacting to the smallest possible amounts of physical properties
Definitions:
The smallest possible amount of any physical property, such as energy or matter.
RelativityTheory of how objects in the universe move
Definitions:
The theory of the relative motion and interaction of objects in space-time.
MultiverseHypothetical set of various universes
Definitions:
A hypothetical set of various universes, including the universe we live in.
EntitySomething that exists
Definitions:
A thing with distinct and independent existence.