1.Definition: a message expressing an opinion based on incomplete evidence

Related Noun(s):conjecture, guess, speculation, supposition, surmisal, surmise

Category: General

2.Definition: a proposal intended to explain certain facts or observations

Category: General

3.Definition: 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"

Related Noun(s):possibility, theory

Category: General