- of or relating to seas and oceans.
- of or relating to smaller bodies of water, as seas and gulfs, as distinguished from large oceanic bodies.
- growing, living, or found in the sea; marine.
Origin of thalassic
1855–60; < Greek thálass(a) sea + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Related Wordsabyssal, aquatic, coastal, maritime, nautical, naval, navigational, oceanic, pelagic, sea, seafaring, seashore, shore, deep-sea, hydrographic, littoral, natatorial, Neptunian, oceangoing, oceanographic
Examples from the Web for thalassic
They make nitroglycerine, like all the thalassic peoples; they also make TNT and catastrophite, and propellants.
The thalassic peoples here in the Equatorial Zone are fairly good empirical, teaspoon-measure, chemists.
It progresses most rapidly where the knowledge of outlying or remote lands travels fastest, as along rivers and thalassic coasts.Influences of Geographic Environment
Ellen Churchill Semple
Thalassic, tha-las′ik, adj. pertaining to the smaller seas—opp.
They make nitroglycerine, like all the thalassic peoples; they also make TNT and propellants.Ullr Uprising
Henry Beam Piper
- of or relating to the sea
- of or relating to small or inland seas, as opposed to open waters
- inhabiting or growing in the sea; marinethalassic fauna
C19: from French thalassique, from Greek thalassa sea
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- Relating to seas or oceans, especially smaller or inland seas.
- Relating to rocks formed from sediment that has been deposited on the ocean floor.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.