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hypothesis

Syllabification: (hy·poth·e·sis)

Pronunciation: /hīˈpäTHəsis/

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Definition of hypothesis

noun (plural hypotheses /-ˌsēz/)

a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation:professional astronomers attacked him for popularizing an unconfirmed hypothesis
Philosophy a proposition made as a basis for reasoning, without any assumption of its truth.