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a. The act or process of providing evidence for or showing the truth of something: a demonstration of the drug's efficacy; a demonstration of the theorem.
b. An illustration or explanation, as of a theory or product, by exemplification or practical application: a demonstration of ballroom dancing.
a. A piece of evidence: That car he bought is supposed to be a demonstration of his commitment to clean energy.
b. An expression or manifestation, as of one's feelings: a demonstration of her displeasure.
3. A public display of group opinion, as by a rally or march: peace demonstrations.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. the act of demonstrating
2. (Logic) proof or evidence leading to proof
3. an explanation, display, illustration, or experiment showing how something works
4. (Government, Politics & Diplomacy) a manifestation of grievances, support, or protest by public rallies, parades, etc
5. a manifestation of emotion
6. (Military) a show of military force or preparedness
7. (Mathematics) maths a logical presentation of the assumptions and equations used in solving a problem or proving a theorem
ˌdemonˈstrational adj
ˌdemonˈstrationist n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌdɛm ənˈstreɪ ʃən)

1. the act of proving, as by reasoning or a show of evidence.
2. something serving as proof or supporting evidence.
3. a description or explanation, as of a process, illustrated by examples, specimens, or the like.
4. the act of exhibiting the operation or use of a product, as to a prospective buyer.
5. an exhibition, as of feeling; display: a demonstration of affection.
6. a public exhibition of the attitude of a group toward a controversial issue or other matter, made by picketing, parading, etc.
7. a show of military force made to deceive an enemy.
8. Math. a logical presentation of the way in which given assumptions imply a certain result; proof.
[1325–75; < Latin]
dem`on•stra′tion•al, adj.
dem`on•stra′tion•ist, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


1. An attack or show of force on a front where a decision is not sought, made with the aim of deceiving the enemy. See also amphibious demonstration; diversion; diversionary attack.
2. (DOD only) In military deception, a show of force in an area where a decision is not sought made to deceive an adversary. It is similar to a feint but no actual contact with the adversary is intended.
Dictionary of Military and Associated Terms. US Department of Defense 2005.


A demonstration is a public meeting or march in which people show their opposition to something or their support for something. You usually say that people hold or stage a demonstration.

French students held violent demonstrations against plans to lower the legal minimum wage for first-jobbers.
Hundreds of people staged a demonstration outside the UN.


1. 'manifestation'

A manifestation of something is a sign that it is happening or that it exists.

...the first manifestations of student unrest in Britain.
2. 'demonstration'

You do not use 'manifestation' to refer to a public meeting or march held to show opposition to something or support for something. The word you use is demonstration.

The opposition staged a huge demonstration.
There were a series of demonstrations against the visit.
See demonstration
Collins COBUILD English Usage © HarperCollins Publishers 1992, 2004, 2011, 2012
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.demonstration - a show or displaydemonstration - a show or display; the act of presenting something to sight or view; "the presentation of new data"; "he gave the customer a demonstration"
show - the act of publicly exhibiting or entertaining; "a remarkable show of skill"
exhibition - the act of exhibiting; "a remarkable exhibition of musicianship"
exposure - presentation to view in an open or public manner; "the exposure of his anger was shocking"
performance - the act of presenting a play or a piece of music or other entertainment; "we congratulated him on his performance at the rehearsal"; "an inspired performance of Mozart's C minor concerto"
lecture demonstration - presentation of an example of what the lecturer is discoursing about
counterdemonstration - a demonstration held in opposition to another demonstration; "supporters of the president organized a counterdemonstration in his support"
2.demonstration - a show of military force or preparedness; "he confused the enemy with feints and demonstrations"
show - the act of publicly exhibiting or entertaining; "a remarkable show of skill"
armed forces, armed services, military, military machine, war machine - the military forces of a nation; "their military is the largest in the region"; "the military machine is the same one we faced in 1991 but now it is weaker"
3.demonstration - a public display of group feelings (usually of a political nature)demonstration - a public display of group feelings (usually of a political nature); "there were violent demonstrations against the war"
protest, dissent, objection - the act of protesting; a public (often organized) manifestation of dissent
work-in - occasion when workers continue to work as a protest against e.g. proposed dismissal or closure of the factory
protest march - occasion when you can express opposition by marching (usually on some government institution) without a license
political science, politics, government - the study of government of states and other political units
4.demonstration - proof by a process of argument or a series of proposition proving an asserted conclusion
proof - a formal series of statements showing that if one thing is true something else necessarily follows from it
5.demonstration - 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"
visual communication - communication that relies on vision
display, show - something intended to communicate a particular impression; "made a display of strength"; "a show of impatience"; "a good show of looking interested"
expression, reflexion, reflection, manifestation - expression without words; "tears are an expression of grief"; "the pulse is a reflection of the heart's condition"
exemplification, illustration - showing by example
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


1. march, protest, rally, sit-in, parade, procession, demo (informal), picket, mass lobby Riot police broke up the demonstration.
2. display, show, performance, explanation, description, presentation, demo (informal), exposition a cookery demonstration
3. indication, proof, testimony, confirmation, manifestation, affirmation, validation, substantiation, attestation an unprecedented demonstration of people power
4. display, showing, exhibition, expression, illustration physical demonstrations of affection
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002


The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
تـَجْرِبَة إِيضاحِيَّةعَرْض، بَرْهَنَهمُظاهَرَه
sự thể hiện, sự chứng minh


A. N
1. (= illustration) → demostración f
2. (= manifestation) → muestra f, demostración f
3. (Pol) → manifestación f
to hold a demonstrationhacer una manifestación
B. CPD demonstration model Nmodelo m de muestra
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


[ˌdɛmənˈstreɪʃən] n
(political)manifestation f
to hold a demonstration, to stage a demonstration → organiser une manifestation, manifester
(= display) [power] → démonstration f
(by teacher, expert, salesperson)démonstration f
Collins English/French Electronic Resource. © HarperCollins Publishers 2005


(of truth, emotions, needs, goodwill, skill, bravery)Beweis m; (by experiment, example) → Demonstration f; (of appliance etc)Vorführung f; (of operation)Vorführung f, → Demonstration f; to give a demonstration of something (by experiment, example) → etw demonstrieren; of operation also, of gadgetetw vorführen; he gave us a demonstrationer zeigte es uns
(Pol etc) → Demonstration f; to hold/break up a demonstrationeine Demonstration veranstalten or durchführen/auflösen
attr demonstration projectDemonstrationsprojekt nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007


[ˌdɛmənˈstreɪʃn] ndimostrazione f (Pol) → manifestazione f
to hold a demonstration (Pol) → tenere una manifestazione
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995


(ˈdemənstreit) verb
1. to show clearly. This demonstrates his ignorance of the situation.
2. to show how something works or is done. He demonstrated how the new vacuum cleaner worked.
3. to express an opinion (usually political) by marching, showing banners etc in public. A crowd collected to demonstrate against the new taxes.
ˌdemonˈstration noun
1. a display or exhibition (of how something works etc). I'd like a demonstration of this dishwasher.
2. (also ˈdemo (ˈdemou) plural ˈdemos) a public expression of opinion by holding meetings and processions, showing placards etc.
ˈdemonstrator noun
1. a person who takes part in a public demonstration.
2. a teacher or assistant who helps students with practical work.
demonstrative adjective, pronoun any one of the words this, *that, *these or those
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.


تـَجْرِبَة إِيضاحِيَّة demonstrace demonstration Demonstration διαδήλωση demostración mielenosoitus manifestation demonstracija dimostrazione デモ 증명 demonstratie demonstrasjon demonstracja demonstração демонстрация demonstration การสาธิต gösteri sự thể hiện, sự chứng minh 演示
Multilingual Translator © HarperCollins Publishers 2009
References in classic literature ?
A BIG Nation having a quarrel with a Little Nation, resolved to terrify its antagonist by a grand naval demonstration in the latter's principal port.
For in sciences which use demonstration there is that which is prior and that which is posterior in order; in geometry, the elements are prior to the propositions; in reading and writing, the letters of the alphabet are prior to the syllables.
The Judges having to take part in a public demonstration out of doors, the Tribunal adjourned.
Judges and starters have been conveniently blind to this absurdity, but the public demonstration off St.
This is a demonstration of the efficiency of the Hampton-Tuskegee idea that stands like the demonstration of the value of democratic institutions themselves--a demonstration made so clear in spite of the greatest odds that it is no longer open to argument.
And the absurd ferocity of such a demonstration will affect them more profoundly than the mangling of a whole street - or theatre - full of their own kind.
He thought he had the demonstration of facts observed through years by his own eyes, which gave no warning of their imperfection, that Maggie's nature was utterly untrustworthy, and too strongly marked with evil tendencies to be safely treated with leniency.
This idea admits not of precise demonstration, because there is no rule by which we can measure the momentum of civil power necessary to the government of any given number of individuals; but when we consider that the island of Britain, nearly commensurate with each of the supposed confederacies, contains about eight millions of people, and when we reflect upon the degree of authority required to direct the passions of so large a society to the public good, we shall see no reason to doubt that the like portion of power would be sufficient to perform the same task in a society far more numerous.
It would be better to avoid it by omitting all mention of my Revelation, and by proceeding on the path of Demonstration -- which after all, seemed so simple and so conclusive that nothing would be lost by discarding the former means.
For so much was then subject to demonstration, that the globe of the earth had great parts beyond the Atlantic, which mought be probably conceived not to be all sea: and adding thereto the tradition in Plato's Timaeus, and his Atlanticus, it mought encourage one to turn it to a prediction.
I had so perfectly expected that the return of my pupils would be marked by a demonstration that I was freshly upset at having to take into account that they were dumb about my absence.
In the same way I thought that the sciences contained in books (such of them at least as are made up of probable reasonings, without demonstrations), composed as they are of the opinions of many different individuals massed together, are farther removed from truth than the simple inferences which a man of good sense using his natural and unprejudiced judgment draws respecting the matters of his experience.

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