deflectometern.
/diːflɛkˈtɒmɪtə/ An instrument for measuring the deflection or deformation of a body, esp. a metal bar, under stress.
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the world > space > shape > misshapenness > [noun] > action or fact of putting or being out of shape > as result of pressure or strain > instrument for measuring deformation
deflectometer1836
extensometer1887
deformeter1927
1836 Mechanics' Mag. 6 Feb. 367/1 The effects produced [on the rails] by the passing engines and trains were minutely observed with this deflectometer.
1874 E. H. Knight Pract. Dict. Mech. Deflectometer, an instrument for measuring the deflection of a rail by a weight in rapid motion.
1962 Engineering 23 Feb. 268/3 A series of deflectometers at the column positions was used to give an indication of the movement. A central deflectometer recorded the deflections in the new steel girder.
This entry has not yet been fully updated (first published 1894; most recently modified version published online December 2020).
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n.1836