individuator

From individuate +‎ -or.

individuator (plural individuators)

1. Someone or something that individuates.
   • 1642, [Thomas Browne], “(please specify the page)”, in Religio Medici, London: […] Andrew Crooke, →OCLC:

     it hath the same distinguisher and individuator

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