amperometern.
/ampəˈrɒmᵻtə/, U.S. /æmpəˈrɑmədər/ A device for measuring the magnitude of an electric current; an ammeter.
ΚΠ
1882 Crystal Palace Internat. Electr. Exhib. 1881–2: Official Catal. 46 Patent amperometer for measuring electrical work, applicable to electro-plating, to show the work done or doing in a vat.
1951 Sewage & Industr. Wastes 23 972/2 An amperometer satisfactory for the determination of chlorine residuals in sewage was devised by using a Leeds and Northrup portable potentiometer.
2005 Proc. National Acad. Sci. U.S.A 102 8803/3 Both the source of tunneling electrons and detection of the transferred electrons to obtain a measurable tunneling current at the macroscopic amperometer have been studied very little.
Derivatives
amperoˈmetric adj. relating to or involving the measurement of electric current.
ΚΠ
1941 I. M. Kolthoff & J. J. Lingane Polarogr. viii. xxxiii. 448 As it is the current which is measured during the titration, we prefer to call this type of titration ‘amperometric titration’.
2003 SIAM Rev. 45 329 With amperometric sensors, a current is measured that is indicative of the sample concentration.
This entry has been updated (OED Third Edition, September 2019; most recently modified version published online December 2021).
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