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Noun: hypothesis (hypotheses)  hI'pó-thi-sis
  1. A proposal intended to explain certain facts or observations
     
  2. 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";
    - possibility, theory
     
  3. A message expressing an opinion based on incomplete evidence
    - guess, conjecture, supposition, surmise, surmisal, speculation

Derived forms: hypotheses

Type of: concept, conception, construct, opinion, proposal, view

Part of: theory

Encyclopedia: Hypothesis