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Borrowed from Middle French ostension, in turn from Latin ostensio, ostensionem.


ostension (countable and uncountable, plural ostensions)

  1. (philosophy) The act of presenting an ostensive definition.
    • 2008 November 22, Richard Fumerton, “Luminous enough for a cognitive home”, in Philosophical Studies, volume 142, number 1, DOI:10.1007/s11098-008-9301-6:
      And ostension is one perfectly familiar way of introducing a concept.
  2. (obsolete) An act of showing or demonstrating.
  3. (Christianity) The showing of the sacrament on the altar in order that it may receive the adoration of the communicants.

Related terms[edit]