| 释义 |
hydrostat|ˈhaɪdrəʊstæt|
[f. hydro- a + -stat as in aerostat; cf. Gr. ὑδροστάτης hydrostatic balance.]
1. An apparatus for preventing the explosion of steam-boilers.
1858in Simmonds Dict. Trade. 1864in Webster, etc.
2. An electrical device for detecting the presence of water.
1871A. M. Hammond Nerv. Dis. p. xxix, The hydrostat overcomes the great difficulty hitherto experienced with all electric machines in which liquids are used. 1888L. Weil in Jrnl. Franklin Inst. Oct. 331 The first hydrostat I constructed consisted of two sets of conductors running at angles to each other, and separated by a material which would act as an insulator when dry and become a conductor when wet. |