Originally U.S. A practical display of the merits, operation, use, etc., of a product to prospective buyers. Cf. demo, n.2 3.
| 单词 | θ190904 |
| 释义 | society > communication > manifestation > showing to the sight > [noun] > practical display of operation or use of a product (3) demonstration1904 Originally U.S. A practical display of the merits, operation, use, etc., of a product to prospective buyers. Cf. demo, n.2 3. dem1968 = demonstration, n. (sense 5a). Also, a demonstration of (the operation of) a commercial product, esp. a piece of apparatus. Subcategories:— one who (1) |
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