noun, plural: hypotheses
A supposition or tentative explanation for (a group of) phenomena, (a set of) facts, or a scientific inquiry that may be tested, verified or answered by further investigation or methodological experiment.
A scientific hypothesis that has been verified through scientific experiment and research may well be considered a scientific theory.
Word origin: Gk hypóthesis basis, supposition.
Derived terms: hypothesize (verb), hypothetical (adjective), hypothetically (adverb).
Related terms: alternative hypothesis, michaelis-menten hypothesis, neyman-pearson statistical hypothesis, null hypothesis, sliding filament hypothesis, wobble hypothesis.
Compare: law, theory.