Found 2 items, similar to Thalassic.
English → English (WordNet) Definition: thalassic thalassic adj : relating to the seas, especially smaller or inland seas; “deposits of sediment in gulfs and seas rather than in the ocean proper are known as thalassic deposits”- Scientific American
English → English (gcide) Definition: Thalassic Thalassic \Tha*las"sic\, a. [Gr. ? the sea.] (Geol.) Of or pertaining to the sea; -- sometimes applied to rocks formed from sediments deposited upon the sea bottom. [1913 Webster]