[f. Gr. τάσι-ς tension + -METER.] An electrical apparatus for measuring minute variations of temperature, length, moisture, etc., by means of changes in the electrical conductivity of carbon resulting from alterations of pressure caused by these variations.
1878. Nature, 25 July, 329/2. An account … of Edison’s Tasimeter.
1879. H. W. Warren, Recr. Astron., iv. 62. If the temperature of a summer morning rises ten or twenty degrees we scarcely notice it; but the magnetic tasimeter measures 1/5000 of a degree.
1881. Nature, 25 Aug., 390/2. No satisfactory results have been obtained in the attempt to measure the heat of the stars with the tasimeter.
1893. Review of Rev., Dec., 606. A little machine called the tasimeter, which measures degrees of heat, of moisture … of odours and sound.
Hence Tasimetric a., of or pertaining to the tasimeter or to tasimetry (Cassell’s Encycl. Dict., 1888); Tasimetry, the measurement of pressures (Funk’s Standard Dict., 1895).
