actinometer
A Dictionary of Aviation · 1911 · p. 5
xktr’nemz-tez nm. an instyument for mesurzng the actrnre 1nfluence of radiations from the sun, etc.
Bu kavram başka kaynaklarda da geçiyor
The American Illustrated Medical Dictionary (1913)
The American Dictionary and Cyclopedia (1910)
Chamber's Twientieth Century Dictionary (1908)
The Optical Dictionary (1904)
Chandler's Encyclopedia (1898)
Nuttall's Standard Dictionary of the English Language (1890)
Zell's Condensed Dictionary (1879)
Dictionary of Science, Literature and Art (1854)
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