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thalassography

[thal-uh-sog-ruh-fee]
noun
  1. oceanography, especially that branch dealing with smaller bodies of water, as bays, sounds, and gulfs.
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Origin of thalassography

First recorded in 1885–90; thalasso- + -graphy
Related formsthal·as·sog·ra·pher, nountha·las·so·graph·ic [thuh-las-uh-graf-ik] /θəˌlæs əˈgræf ɪk/, tha·las·so·graph·i·cal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018