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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

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

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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.
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We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.