Etymology: formed as clysmicadj. + -iansuffix. Compare French clysmien, perhaps the immediate source.
rare.
(See quot. 1882.)
ΚΠ
1882 New Sydenham Soc. LexiconClysmian, applied to a class of soils of transport and alluvium, or of inundation and attrition, because evidently the product of transport and mechanical deposit, of which water has been the agent.
This entry has not yet been fully updated (first published 1891; most recently modified version published online March 2018).