Devensian

 
Pronunciation: /dɪˈvɛnzɪən/

adjective

Geology
  • relating to or denoting the most recent Pleistocene glaciation in Britain, identified with the Weichselian of northern Europe.
  • (as noun the Devensian) the Devensian glaciation or the system of deposits laid down during it.

Origin:

1960s: from Latin Devenses 'people dwelling near the River Dee' (see Dee (sense 2)) + -ian