English edit

Etymology edit

Crookes +‎ -ian

Adjective edit

Crookesian (comparative more Crookesian, superlative most Crookesian)

  1. Of or relating to Sir William Crookes (1832–1919), British chemist and physicist who worked on spectroscopy and was a pioneer of vacuum tubes, inventing the Crookes tube.
    • 2004, Jed Z. Buchenwald, Andrew Warwick, Histories of the Electron: The Birth of Microphysics, page 107:
      Thomson promoted the Crookesian view of cathode rays as particulate against the apparent counterevidence presented by Phillip Lenard that such particles were not stopped by an encounter with metal []