- Main Entry:
- hy·poth·e·sis

- Pronunciation:
-
\hī-ˈpä-thə-səs\
- Function:
- noun
- Inflected Form(s):
- plural hy·poth·e·ses
\-ˌsēz\
- Etymology:
- Greek, from hypotithenai to put under, suppose, from hypo- + tithenai to put — more at do
- Date:
- circa 1656
1 a: an assumption or concession made for the sake of argument b: an interpretation of a practical situation or condition taken as the ground for action2: a tentative assumption made in order to draw out and test its logical or empirical consequences3: the antecedent clause of a conditional statement
synonyms hypothesis,
theory,
law mean a formula derived by inference from scientific data that explains a principle operating in nature.
hypothesis implies insufficient evidence to provide more than a tentative explanation
<a hypothesis explaining the extinction of the dinosaurs>.
theory implies a greater range of evidence and greater likelihood of truth
<the theory of evolution>.
law implies a statement of order and relation in nature that has been found to be invariable under the same conditions
<the law of gravitation>.