D defs.my
Entry 1 sense Webster, 1913

Clysmian

· Clys·mi·an · IPA
01 a. Connected with, or related to, the deluge, or to a cataclysm; as, clysmian changes.
  1. 1.
    Connected with, or related to, the deluge, or to a cataclysm; as, clysmian changes.