Scottish National Dictionary (1700–)
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First published 1976 (SND Vol. X, list of scientific terms with Scottish connections).
This entry has not been updated since then but may contain minor corrections and revisions.
PERMIAN, adj. Pertaining to geological period at the end of the Palaeozoic era, so named by Sir Roderick Murchison in 1841 from Perm in the Ural Mountains in Russia where its formation is most fully developed. See Murchison above.
