| 单词 | demonstration |
| 释义 | demonstration —demonstrational, adj. —demonstrationist, n. /dem'euhn stray"sheuhn/, n. 1. the act or circumstance of proving or being proved conclusively, as by reasoning or a show of evidence: a belief incapable of demonstration. 2. something serving as proof or supporting evidence: They sent a check as a demonstration of their concern. 3. a description or explanation, as of a process, illustrated by examples, specimens, or the like: a demonstration of methods of refining ore. 4. the act of exhibiting the operation or use of a device, machine, process, product, or the like, as to a prospective buyer. 5. an exhibition, as of feeling; display; manifestation: His demonstration of affection was embarrassing. 6. a public exhibition of the attitude of a group of persons toward a controversial issue, or other matter, made by picketing, parading, etc. 7. a show of military force or of offensive operations made to deceive an enemy. 8. Math. a logical presentation of the way in which given assumptions imply a certain result; proof. [1325-75; ME demonstracioun < L demonstration- (s. of demonstratio, equiv. to demonstrat(us) (see DEMONSTRATE) + -ion- -ION] |
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