| 释义 |
ˈinsulating, ppl. a.
[f. as prec. + -ing2.]
That insulates; spec. that does not conduct electricity or heat; that protects wires, or an electrified body, from conducting bodies. Also used with reference to sound. insulating stool, one with glass legs, or other non-conducting supports to insulate a body placed on it.
1767J. Priestley Hist. & Present State Electr. 200 Upon the subject of insulating bodies, he observes, that when cakes of sulphur..are made use of for this purpose, they ought to be well cooled before they are used. 1787Cavallo in Phil. Trans. LXXVIII. 8 The second plate B..is furnished with an insulating handle. 1816J. Smith Panorama Sc. & Art II. 219 The insulating stool..is..a mahogany board with glass feet, which are varnished like other insulating supports that are made of glass. By standing upon this stool, the human body may be insulated. 1874F. Hall in Scribner's Mag. VI. 465/2 The insulating and depressing genius of their religion. 1881Maxwell Electr. & Magn. I. 36 The electrification of a body placed in a perfectly insulating medium. 1893Funk's Stand. Dict., Insulating tape. 1910Hawkins' Electr. Dict., 219/1 Insulating tape, tape, usually adhesive, rendered non-conducting by being saturated with an insulating compound, for the purpose of covering..exposed parts of insulated electrical conductors. 1927Davis & Kaye Acoustics of Buildings ix. 171 Suitable insulating material can be..interposed between columns, girders, cross-beams etc., to counteract the transmission of sound. 1940Chambers's Techn. Dict. 451/1 Insulating oils, special types of oil..used for oil-immersed transformers, circuit-breakers, etc. 1945Archit. Rev. CVI. 308 Roof of steel decking covered with half-inch insulating board and mineral-faced felt. 1955Oxf. Jun. Encycl. VIII. 399/1 The defence against noise lies in planning wisely..and also in using sound insulating and sound absorbing materials. 1963H. R. Clauser Encycl. Engin. Materials 352/1 The selection of the proper insulating varnish for an electrical unit, such as a motor, generator, solenoid coil, or a transformer, is becoming of increasing importance as the efficiency and ratings of electrical units are improved. |