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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

A theory of the universe developed by Albert Einstein, dealing with the interaction of matter, energy, space, and time.

Usage examples (40)
  • Put your hand on a hot stove for a minute, and it seems like an hour. Sit with a pretty girl for an hour, and it seems like a minute. That's relativity.
  • The theory of relativity is the same as it was in the 40's.
  • Special relativity is a theory of the structure of spacetime.
  • General relativity is mainly formulated in terms of classical objects. for more
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