Definify.com
Webster 1913 Edition
Permian
Per′mi-an
,p
rop.
Adj.
[From the ancient kingdom of
Permia
, where the Permian formation exists.] (Geol.)
Belonging or relating to the period, and also to the formation, next following the Carboniferous, and regarded as closing the Carboniferous age and Paleozoic era.
– Noun.
The Permian period. See Chart of
Geology
.