hypothesis meaning and definition

HYPOTHESIS noun

Definition of hypothesis (noun)

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"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices"
   • synonyms: possibility, theory
3. a message expressing an opinion based on incomplete evidence
   • synonyms: conjecture, guess, speculation, supposition, surmisal, surmise