part of characteristic of derives from located in continuant marine water body thalassic 2019-07-15T18:16:01Z A physical quality inhering in a bearer by virtue of the bearer being derived from, part of, or otherwise dependent on the seas or oceans. This class takes the broader meaning of this term. Note that some usages refer to smaller bodies of water, as seas and gulfs, as distinguished from large oceanic bodies. physical quality