1. Actonian - Adjective
2. Actonian - Proper noun
Actonian (not comparable)
Of or relating to the architect Samuel Acton; applied to a septennial prize awarded by the Royal Institution.
Actonian
A stratigraphic age, a subdivision of the Middle Ordivician, from 454 Ma to 453 Ma.
Actonian (not comparable)
Of or relating to the architect Samuel Acton; applied to a septennial prize awarded by the Royal Institution.
Actonian
A stratigraphic age, a subdivision of the Middle Ordivician, from 454 Ma to 453 Ma.