Also hy·dro·stat·i·cal.

Origin of hydrostatic

First recorded in 1665–75; hydro-1 + static
Related formshy·dro·stat·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hydrostatic

Historical Examples of hydrostatic

British Dictionary definitions for hydrostatic



  1. of or concerned with fluids that are not in motionhydrostatic pressure
  2. of or concerned with hydrostatics
Derived Formshydrostatically, adverb
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 hydrostatic

1670s, from Greek hydro- "water" (see water (n.1)) + statikos "making to stand" (see static).

Online Etymology Dictionary, © 2010 Douglas Harper

hydrostatic in Medicine


  1. Of or relating to fluids at rest or under pressure.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.