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Crookesian
Crookesian adj. 
/ˈkrʊksɪən/ pertaining to Crookes or to instruments invented by him (rare).
/ˈkrʊksɪən/ pertaining to Crookes or to instruments invented by him (rare).ΘΚΠ
the world > matter > physics > energy or power of doing work > [adjective] > relating to radiation > relating to instruments devised by Crookes
Crookesian1899
1899 Science Siftings XVI. 117/2 The Crookesian scale~pan.
1899 Science Siftings XVI. 117/2 Crookesian radiometer.
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