rheoscope Electr. Now rare.
(ˈriːəskəʊp)
[f. rheo- + -scope.]
(See quot. 1843.)
| 1843 Wheatstone in Phil. Trans. 307 A Rheoscope is an instrument for ascertaining merely the existence of an electric current. 1852 Lardner Handbk. Nat. Phil. ii. 380 Reoscopes and Reometers. 1881 S. P. Thompson Electr. & Magn. 161 note. |
Hence rheoˈscopic a., (a) pertaining to the rheoscope; (b) applied to preparations of certain nerves of a frog for showing the variation of electric currents; so rheoscopic frog, rheoscopic muscle.
| 1852 [see rheometric]. 1877 M. Foster Text-bk. Physiol. 44 The method known as ‘the rheoscopic frog’, in which the natural current of one nerve, or the negative variation of that current, is used as a stimulus to another nerve. Ibid. 107 note, The absence of tetanus in a rheoscopic muscle. |