An instrument which measures the rate at which a particular event happens; specifically one which displays or records the rate of occurrence of pulses in an electronic counter, used especially to measure the intensity of ionizing radiation.
Origin
1940s; earliest use found in Journal of Physical Chemistry.
Definition of ratemeter in US English:
ratemeter
noun
An instrument which measures the rate at which a particular event happens; specifically one which displays or records the rate of occurrence of pulses in an electronic counter, used especially to measure the intensity of ionizing radiation.
Origin
1940s; earliest use found in Journal of Physical Chemistry.