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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.


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


(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.


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.


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
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


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


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


[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


(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


[ˌdɛmənˈstreɪʃn] ndimostrazione f (Pol) → manifestazione f
to hold a demonstration (Pol) → tenere una manifestazione


(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


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
References in classic literature ?
It was succeeded by the most frantic and angry demonstrations of vengeance.
The man, the sex, somehow or other, was entirely too prominent in the Judge's demonstrations of that sort.
For if it occurred to me that I might occasionally excite suspicion by the little outbreaks of my sharper passion for them, so too I remember wondering if I mightn't see a queerness in the traceable increase of their own demonstrations.
If he can, then is it as marvellous a thing in him, as if a man were able simultaneously to go through the demonstrations of two distinct problems in Euclid.
Quimbo," said Legree to another, who was making zealous demonstrations to attract his attention, "ye minded what I telled ye?
One's disposition to cheer, during the course of the duels or at their close, was naturally strong, but corps etiquette forbade any demonstrations of this sort.
Marianne restored to life, health, friends, and to her doting mother, was an idea to fill her heart with sensations of exquisite comfort, and expand it in fervent gratitude;-- but it lead to no outward demonstrations of joy, no words, no smiles.
Heathcliff in unison, checking fiercer demonstrations with a punch of his foot.
When the wine was gone, and the places where it had been most abundant were raked into a gridiron-pattern by fingers, these demonstrations ceased, as suddenly as they had broken out.
The twins testified their joy by several inconvenient but innocent demonstrations.
The demonstrations of the enemy's immediate approach cut off all farther discourse.
When Watson talked to Bell at public demonstrations, there were newspaper editors who referred sceptically to "the supposititious Watson.

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