What does the word hypothesis mean?

Usage examples for hypothesis

  1. The central heat of the globe could not, it is true, by itself alone be a mechanical force, any more than formerly a large mass of water falling by hypothesis to the greatest possible depth. – Underground Man by Gabriel Tarde
  2. Dr. Baker follows this, but I confess I cannot see due grounds for any such hypothesis. – The Works of Aphra Behn, Vol. I (of 6) by Aphra Behn
  3. His 'antipatia, ' as his man called it, must be one which covers a wide ground, to account for his self- isolation,- and the color hypothesis seems as plausible as any. – A Mortal Antipathy by Oliver Wendell Holmes, Sr.