What does the word hypothesis mean?

Usage examples for hypothesis

  1. 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
  2. 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.