单词 | amplifier |
释义 | amplifiern. One who amplifies or enlarges. 1. One who enlarges, who adds to the extent, capacity, or dignity of anything. arch. ΘΚΠ the world > relative properties > quantity > increase in quantity, amount, or degree > [noun] > one who or that which increases enhancera1425 morerc1450 augmentor1485 increaser1528 augmenter1539 amplifier1546 adder1547 magnifier1550 improver1607 booster1917 builder-upper1936 1546 J. Bale Actes Eng. Votaryes (1550) ii. 3 Yt great cytie Rome, wherof they were the fyrst amplyfyers. 1630 R. Norton tr. W. Camden Hist. Princesse Elizabeth iv. 108 The Queene..alwaies was both a Fauourer and an Amplifier of Essex his honour. 2. One who enlarges or expands a statement or narrative; also, an exaggerator. ΘΚΠ society > leisure > the arts > literature > style of language or writing > copiousness > [noun] > amplification > one who amplifiera1586 amplificator1661 a1586 Sir P. Sidney Arcadia (1590) ii. vi. sig. R8v, Dorilaus could neede no amplifiers mouth for the highest point of praise. 1727 Pope et al. Peri Bathous 36 in Swift et al. Misc.: Last Vol. There are Amplifiers who can extend half a dozen thin Thoughts over a whole Folio. 1857 W. E. Gladstone Oxf. Ess. 28 All the reasonings..of the amplifiers. 3. A lens which enlarges the field of vision. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > lens > [noun] > other lenses concave1632 globe1653 meniscus1693 hemispherule1696 convex1705 omphaloptic1728 omphalopter1738 crown lens1764 achromatic1785 condenser1798 meniscus lens1820 Fresnel lens1835 bull's-eye1839 Stanhope lens1850 spot lens1860 amplifier1866 achromat1873 projectora1884 aplanat1890 triplet condenser1892 Aldis lens1902 monocentric1922 Schmidt correcting plate1934 coated lens1948 Panavision1955 Schmidt correcting lens1961 re-imaging1962 1866 Intellectual Observer No. 54. 419 An achromatic concave amplifier. 4. Electr. An appliance or circuit which amplifies. (See amplify v. 2b.) ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [noun] > amplifier amplifier1914 superregenerator1922 operational amplifier1947 op-amp1967 society > leisure > the arts > music > musical instrument > other musical instruments > [noun] > electronic > other electronic equipment amplifier1914 speaker1926 cardioid1939 amp1945 boom box1981 ghetto blaster1983 trigger1986 1914 Electrician 12 June 402/2 After developing the Audion as detector, amplifier and oscillator, Dr. Lee de Forest has recently described..the small-sized 3½ volt amplifier bulb. 1918 in J. A. Fleming Thermionic Valve (1919) 274 Where the de Forest valve acts as an amplifier it is outside any claim on the Fleming patent of 1904. 1933 Boys' Mag. 47 108/1 The complete amplifier could be housed in any average existing gramophone, or could be converted, with the addition of a tuned circuit, into a radio receiver. 1941 B.B.C. Gloss. Broadcasting Terms 3 Amplifier, apparatus used to increase the volume of a programme output by means of energy drawn from an external source, such as the supply mains. This entry has not yet been fully updated (first published 1884; most recently modified version published online March 2011). < n.1546 |
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