diluvialist

• Diluvialist

diluvial +‎ -ist

diluvialist (plural diluvialists)

1. (historical) One who explains geological phenomena by the Noachian deluge.
   • 1830, Charles Lyell, Principles of Geology […] , volume I, London: John Murray, page 30:

     But the old diluvialists were induced by their system to confound all the groups of strata together instead of discriminating,—to refer all appearances to one cause and to one brief period, not to a variety of causes acting throughout a long succession of epochs.

• “diluvialist”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.