adj, name ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Of or relating to the architect Samuel Acton; applied to a septennial prize awarded by the Royal Institution. not-comparable

Proper Noun

1. 1
   A stratigraphic age, a subdivision of the Middle Ordivician, from 454 Ma to 453 Ma.

Etymology

Etymology 1

From Acton + -ian, after Samuel Acton (c.1773–1837).

Etymology 2

From Acton + -ian, after Acton Scott (in UK).

Related phrases

middle ordivician

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