• synonyms


  1. relating to or caused by erect posture.
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Origin of orthostatic

First recorded in 1900–05; ortho- + static
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for orthostatic

Historical Examples of orthostatic

  • The first are square or rectangular with rounded corners, the base course occasionally consisting of orthostatic slabs.

    Rough Stone Monuments and Their Builders

    T. Eric Peet

  • Near this last site was also found a round hut based on a course of orthostatic slabs of typically megalithic appearance.

  • They are oval in form and have in many cases a base course of orthostatic slabs.

orthostatic in Medicine


  1. Relating to or caused by standing upright, as hypertension.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.