actonian
UK /ækˈtəʊ.ni.ən/ US /ækˈtoʊ.ni.ən/
adj 1name 1
Definitions
adj
1
Of or relating to the architect Samuel Acton; applied to a septennial prize awarded by the Royal Institution.
name
1
A stratigraphic age, a subdivision of the Middle Ordivician, from 454 Ma to 453 Ma.
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