[f. THALASSO- + -GRAPHY. Cf. med.Gr. θαλασσογράφος describing the sea.] The branch of physical geography which treats of the sea, its configuration and phenomena; oceanography.
1888. A. Agassiz (title) Contribution to American Thalassography.
1888. Times, 7 April, 5/2. The necessity for some such term as oceanography or thalassography is significant of the vast progress which has been made during the past 20 years in our knowledge of the ocean depths.
Hence Thalassographer, a student or investigator of thalassography; Thalassographic, -ical adjs., of or pertaining to thalassography.
1881. Giglioli, in Nature, 18 Aug., 358/1. The war-steamer of the Italian Royal Navy Washington,… left Maddalena on the 2nd inst. on her thalassographic mission. Ibid. (1900), 4 Jan., 228/1. Thalassographic researches in the Mediterranean.
1893. Smithsonian Inst. Rep. (1894), 370, note. Biological and thalassographical investigations.
