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463 results for: Hypothesis

Dictionary Entries (13 more entries. View all »)
Dictionary.com Unabridged (v 1.1) - Cite This Source
hy·poth·e·sis    Audio Help   [hahy-poth-uh-sis, hi-] Pronunciation Key
–noun, plural -ses    Audio Help   [-seez] Pronunciation Key.
1.a proposition, or set of propositions, set forth as an explanation for the occurrence of some specified group of phenomena, either asserted merely as a provisional conjecture to guide investigation (working hypothesis) or accepted as highly probable in the light of established facts.
2.a proposition assumed as a premise in an argument.
3.the antecedent of a conditional proposition.
4.a mere assumption or guess.
[Origin: 1590–1600; < Gk hypóthesis basis, supposition. See hypo-, thesis]

—Related forms
hy·poth·e·sist, noun

—Synonyms 1. See theory.
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Thesaurus Entries
  Roget's II: The New Thesaurus - Cite This Source
Main Entry:  theory
Part of Speech:  noun
Definition:  A belief used as the basis for action.
Source:  Roget's II: The New Thesaurus, Third Edition
by the Editors of the American Heritage® Dictionary.
Copyright © 2003, 1995 by Houghton Mifflin Harcourt Publishing Company.
Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


Encyclopedia Articles (447 more entries. View all »)
Columbia Electronic Encyclopedia - Cite This Source

nebular hypothesis: see solar system.

The Columbia Electronic Encyclopedia Copyright © 2004, Columbia University Press.
Licensed from Columbia University Press


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