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Definitions of theory
  1. noun
    a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena
    "a scientific hypothesis that survives experimental testing becomes a scientific theory" "he proposed a fresh theory of alkalis that later was accepted in chemical practices"

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  2. noun
    a belief that can guide behavior
    "the architect has a theory that more is less" "they killed him on the theory that dead men tell no tales"
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  3. noun
    a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena
    "true in fact and theory"
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Parts of theory
  • "law"
  • "law of nature"
  • "hypothesis"
  • "possibility"
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