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fluxmeter

American  
[fluhks-mee-ter] / ˈflʌksˌmi tər /

noun

Physics.
  1. an instrument for measuring magnetic flux, consisting essentially of a ballistic galvanometer.


fluxmeter British  
/ ˈflʌksˌmiːtə /

noun

  1. any instrument for measuring magnetic flux, usually by measuring the charge that flows through a coil when the flux changes

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of fluxmeter

First recorded in 1900–05; flux + -meter