Portlandian

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proper noun

The Tithonian stage or age, now considered strata about 150 million years old.

Scrabble 14
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Meanings

proper noun
  1. archaicgeographyThe Tithonian stage or age, now considered strata about 150 million years old.

Origin

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

Full word history & related roots →
Cite this entry
APA

Portlandian. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Portlandian

MLA

“Portlandian.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Portlandian. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Portlandian,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Portlandian.

Source: Portlandian on Wiktionary, CC BY-SA 4.0.