[syn: demonstration, demo]
The Collaborative International Dictionary of English v.0.48:
Demonstration \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
2. An expression, as of the feelings, by outward signs; a
manifestation; a show. See also sense 7 for a more
specific related meaning.
[1913 Webster +PJC]
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
7. a public gathering of people to express some sentiment or
feelings by explicit means, such as picketing, parading,
carrying signs or shouting, usually in favor of or opposed
to some action of government or of a business.
8. the act of showing how a certain device, machine or
product operates, or how a procedure is performed; --
usually done for the purpose of inducing prospective
customers to buy a product; as, a demonstration of the
simple operation of a microwave oven.
Direct demonstration, 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 demonstration, 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.
WordNet (r) 3.0 (2006):
n 1: a show or display; the act of presenting something to sight
or view; "the presentation of new data"; "he gave the
customer a demonstration" [syn: presentation,
2: a show of military force or preparedness; "he confused the
enemy with feints and demonstrations"
3: a public display of group feelings (usually of a political
nature); "there were violent demonstrations against the war"
[syn: demonstration, manifestation]
4: proof by a process of argument or a series of proposition
proving an asserted conclusion [syn: demonstration,
5: 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" [syn: demonstration, demo]
Moby Thesaurus II by Grady Ward, 1.0:
211 Moby Thesaurus words for "demonstration":
absolute indication, allegorization, alphabet, art, beef, bitch,
blazon, blueprint, boycott, bravura, brilliancy, burden of proof,
case, case in point, challenge, charactering, characterization,
chart, choreography, citation, clarification, complaint,
compunction, conclusive evidence, confirmation,
conventional representation, cracking, cross reference,
damning evidence, dance notation, daring, dash, decipherment,
decoding, deduction, deductive reasoning, delineation, demo, demur,
demurrer, demythologization, depiction, depictment, description,
determination, diagram, discourse, discourse of reason,
discursive reason, display, drama, dramatics, drawing, eclat,
editing, elucidation, emblem, emendation, enactment, enlightenment,
establishment, etalage, euhemerism, evidence, example, exception,
exegesis, exemplar, exemplification, exhibit, exhibition,
exhibitionism, explanation, explication, exponent, exposition,
expostulation, exposure, expounding, false front, fanfaronade,
figuration, figure, flair, flaunt, flaunting, flourish, grievance,
grievance committee, hieroglyphic, histrionics, howl, iconography,
ideogram, illumination, illustration, imagery, imaging,
incontrovertible evidence, indication, indignation meeting,
indisputable evidence, induction, inductive reasoning, instance,
ironclad proof, item, kick, letter, light, limning,
logical thought, logogram, logograph, manifestation, map, march,
musical notation, nonviolent protest, notation, object lesson,
objection, onus, onus probandi, opening, ostentation, pageant,
pageantry, parade, particular, performance, philosophy, picketing,
pictogram, picturization, plan, portraiture, portrayal,
prefigurement, presentation, presentment, printing, production,
projection, proof, protest, protest demonstration, protestation,
qualm, quotation, rally, ratiocination, rationale, rationalism,
rationality, rationalization, rationalizing, realization, reason,
reasonableness, reasoning, reference, relevant instance,
remonstrance, remonstration, rendering, rendition, representation,
representative, retrospective, schema, score, script, scruple,
settlement, sham, show, showing, showing-off, simplification,
sit-in, solution, sophistry, specious reasoning, spectacle, splash,
splurge, squawk, staginess, strike, substantiation, sure sign,
sweet reason, syllabary, symbol, tablature, teach-in, testimony,
theatrics, type, typical example, unfolding, unfoldment, unlocking,
unmistakable sign, unveiling, varnishing day, vaunt, verification,
Bouvier's Law Dictionary, Revised 6th Ed (1856):
DEMONSTRATION. Whatever is said or written to designate a thing or person.
For example, a gift of so much money, with a fund particularly referred to
for its payment, so that if the fund be not the testator's property at his
death, the legacy will fail; this is called a demonstrative legacy. 4 Ves.
751; Lownd. Leg. 85; Swinb. 485.
2. A legacy given to James, who married my cousin, is demonstrative;
these expressions present the idea of a demonstration; there are many James,
but only one who married my cousin. Vide Ayl. Pand. 130; Dig. 12, 1, 6; Id.
35, 1, 34 Inst. 2, 20, 30.
3. By demonstration is also understood that proof which excludes all
possibility of error; for example, mathematical deductions.