clactonian

/K L AE1 K T OW1 N IY0 AH0 N/
adjective
  1. 1

    Of or from Clacton (especially from Clacton-on-Sea)

  2. 2

    Belonging or relating to a class of ancient tools fashioned from flakes chipped off flint cores.

Source: https://en.wiktionary.org/wiki/Clactonian, https://en.wiktionary.org/wiki/clactonian