| 释义 |
annunciator|əˈnʌnʃɪeɪtə(r)|
[a. L. annuntiātor, n. of agent f. annuntiāre to announce.]
He who, or that which, announces, an announcer; spec. applied to: a. an officer of the Greek Church who gave notice of holy days; b. an indicator used in hotels, etc., to show in which direction the attendance summoned by bell or telephone is needed; c. various techn. uses (see quots.).
1753Chambers Cycl. Supp., Annuntiator, in the Greek church, an officer whose business is to give notice of the feasts and holy days. 1845Petrie Eccl. Archit. Irel. 16 The annunciator, instructor, or proclaimer of the festivals. 1853A. Bunn Old Eng. & New Eng. 39 There is an appendage to this office..called an ‘Annunciator’, invented, we believe, by Jackson, of New York city, whereby all the bell⁓pulls of the house are brought within one focus. 1879Prescott Sp. Telephone 392 The annunciator disk and lever. 1883J. Munro in Gd. Words May 317, Figs. 13, 14, and 15 represent a thoroughly reliable annunciator. 1886Marine Engin. 1 Feb. 287/2 The Baird Annunciators..indicate in the pilot house or elsewhere..whether the engines of a ship are in motion and if so in what direction they are moving. 1904Daily Chron. 25 Mar. 3/6 The annunciator is an electrical apparatus by means of which the name of the member [of Parliament] speaking is printed immediately he rises to his feet on a broad paper band which runs horizontally. 1905Ibid. 7 Apr. 4/6 The ‘Annunciator’..announces to the smoking-room and libraries of the House of Commons the name of the Member addressing the Legislative Chamber. 1936Gloss. Terms Railway Signalling (B.S.I.) 6 Annunciator, a device used to indicate audibly the passage of a train at a given point. |