[suhb-ey-kwee-uh s, -ak-wee-]
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Origin of subaqueous

First recorded in 1670–80; sub- + aqueous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for subaqueous

Historical Examples of subaqueous

British Dictionary definitions for subaqueous


  1. occurring, appearing, formed, or used under water
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

Word Origin and History for subaqueous

1670s, from sub- + aqueous.

Online Etymology Dictionary, © 2010 Douglas Harper

subaqueous in Science


  1. Found or occurring underwater.
  2. Formed or adapted for underwater use or operation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.