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Pronunciation:  `demun'streyshun

WordNet Dictionary
  1. [n]  a show or display; the act of presenting something to sight or view; "the presentation of new data"; "he gave the customer a demonstration"
  2. [n]  a show of military force or preparedness; "he confused the enemy with feints and demonstrations"
  3. [n]  a public display of group feelings (usually of a political nature); "there were violent demonstrations against the war"
  4. [n]  proof by a process of argument or a series of proposition proving an asserted conclusion
  5. [n]  a visual presentation showing how something works; "the lecture was accompanied by dramatic demonstrations"; "the lecturer shot off a pistol as a demonstration of the startle response"

DEMONSTRATION is a 13 letter word that starts with D.


 Synonyms: demo, manifestation, monstrance, presentation, presentment
 See Also: Boston Tea Party, display, dissent, exemplification, exhibition, exposure, expression, illustration, lecture demonstration, manifestation, objection, performance, proof, protest, protest march, reflection, reflexion, show, show, visual communication, work-in



Webster's 1913 Dictionary
\Dem`on*stra"tion\, n. [L. demonstratio: cf. F.
1. The act of demonstrating; an exhibition; proof;
   especially, proof beyond the possibility of doubt;
   indubitable evidence, to the senses or reason.

         Those intervening ideas which serve to show the
         agreement of any two others are called ``proofs;''
         and where agreement or disagreement is by this means
         plainly and clearly perceived, it is called
         demonstration.                        --Locke.

2. An expression, as of the feelings, by outward signs; a
   manifestation; a show.

         Did your letters pierce the queen to any
         demonstration of grief?               --Shak.

         Loyal demonstrations toward the prince. --Prescott.

3. (Anat.) The exhibition and explanation of a dissection or
   other anatomical preparation.

4. (Mil.) a decisive exhibition of force, or a movement
   indicating an attack.

5. (Logic) The act of proving by the syllogistic process, or
   the proof itself.

6. (Math.) A course of reasoning showing that a certain
   result is a necessary consequence of assumed premises; --
   these premises being definitions, axioms, and previously
   established propositions.

{Direct}, or {Positive}, {demonstration} (Logic & Math.), one
   in which the correct conclusion is the immediate sequence
   of reasoning from axiomatic or established premises; --
   opposed to

{Indirect}, or {Negative}, {demonstration} (called also
   {reductio ad absurdum}), in which the correct conclusion
   is an inference from the demonstration that any other
   hypothesis must be incorrect.

Thesaurus Terms
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