a. rare. [f. as next + -IAN. Cf. F. clysmien, perhaps the immediate source.] (See quot.)
1882. Syd. Soc. Lex., Clysmian, 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.