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Relativity (Noun)

The quality of being relative and having significance only in relation to something else.

Nouns denoting attributes of people and objects.

(physics) the theory that space and time are relative concepts rather than absolute concepts.

Nouns denoting cognitive processes and contents.

The theory of relativity proposed by Albert Einstein revolutionized our understanding of space and time.
Einstein's concept of relativity challenged the long-held notions of absolute time and space.
The famous equation E=mc2 is derived from the theory of relativity and has far-reaching implications.
According to the theory of relativity, the laws of physics are the same for all observers in uniform motion.
Time dilation, a fundamental concept of relativity, explains why time appears to pass differently for objects in motion.