radiometer
The American Illustrated Medical Dictionary · 1913 · p. 22
(ra-de-om’et-er). An apparatus for measuring the penetrating power of the x-rays.
Bu kavram başka kaynaklarda da geçiyor
Hawkins' Electrical Dictionary (1915)
The American Dictionary and Cyclopedia (1910)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
The Optical Dictionary (1904)
The Standart Electrical Dictionary (1892)
Nuttall's Standard Dictionary of the English Language (1890)
A Military Dictionary (1810)
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