saltwater

[ sawlt-waw-ter, -wot-er ]
/ ˈsɔltˈwɔ tər, -ˈwɒt ər /

adjective

of or relating to salt water.
inhabiting salt water: a saltwater fish.

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Origin of saltwater

First recorded in 1520–30; salt1 + water
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for saltwater

saltwater
/ (ˈsɔːltˌwɔːtə) /

adjective

of, relating to, or inhabiting salt water, esp the seasaltwater fishes
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

Scientific definitions for saltwater

saltwater
[ sôltwô′tər ]

Consisting of or living in salty water, especially seawater.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.