It comprises all of existence, any fundamental interaction, physical process and physical constant, and therefore all forms of matter and energy, and the structures they form, from sub-atomic particles to …

The meaning of UNIVERSE is the whole body of things and phenomena observed or postulated : cosmos. How to use universe in a sentence.

Oct 29, 2024 · The universe is everything. It includes all of space, and all the matter and energy that space contains. It even includes time itself and, of course, it includes you.

Nov 11, 2025 · Universe, the whole cosmic system of matter and energy of which Earth is a part.

/ ˈju·nəˌvɜrs / Add to word list everything that exists, esp. all physical matter, including all the stars and planets in space (Definition of universe from the Cambridge Academic Content Dictionary © …

Definition of universe noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A hypothetical whole of spacetime, matter, and energy that is purported to exist simultaneously with but to be different from this universe: an alternate universe.