Portlandian

name

name ·Rare ·Advanced level

Definitions

Proper Noun
  1. 1
    The Tithonian stage or age, now considered strata about 150 million years old. archaic

Etymology

From Portland + -ian. Named after the Isle of Portland in Dorset where the strata are exposed and have been extensively worked.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.