Actonian
English
Etymology 1
From Acton + -ian, after Samuel Acton (c.1773–1837).
Adjective
Actonian (not comparable)
- Of or relating to the architect Samuel Acton; applied to a septennial prize awarded by the Royal Institution.
Etymology 2
From Acton + -ian, after Acton Scott (in UK).
Proper noun
Actonian
- A stratigraphic age, a subdivision of the Middle Ordivician, from 454 Ma to 453 Ma.