noun
Meaning 1
The theories of special relativity and general relativity, two theories in physics developed mainly by Albert Einstein at the beginning of the 20th century from which several important results such as the equivalence of matter and energy and the Einstein field equations are derived.
Definition source: English Wiktionary via Wiktextract
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided