orthostatic

adjective

or·​tho·​stat·​ic ˌȯr-thə-ˈsta-tik How to pronounce orthostatic (audio)
: of, relating to, or caused by an upright posture
orthostatic hypotension

Examples of orthostatic in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
An additional drop in blood pressure may cause orthostatic hypotension (a sudden drop in blood pressure when standing). — Ayesha Gulzar, Verywell Health, 13 Feb. 2026 The ability to self-schedule helps Young manage her autism and a chronic illness called postural orthostatic tachycardia syndrome, which can cause a rapid heart rate or dizziness when standing up. — ABC News, 19 Mar. 2026 Porzingis, who said last year he had been diagnosed with postural orthostatic tachycardia syndrome, missed two weeks shortly after the trade with a mysterious illness that was never publicly identified. — Joseph Dycus, Mercury News, 29 June 2026 By applying lower‑body compression, the garment helps counteract a common condition called orthostatic intolerance that causes astronauts to faint or feel dizzy following an extended mission in microgravity. — Eric Lagatta, USA Today, 9 Apr. 2026 See All Example Sentences for orthostatic

Word History

First Known Use

1902, in the meaning defined above

Time Traveler
The first known use of orthostatic was in 1902

Rhymes for orthostatic

See All Rhymes for orthostatic

Browse Nearby Words

orthosomatic
orthostatic
orthostereoscope
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Cite this Entry

“Orthostatic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/orthostatic. Accessed 7 Jul. 2026.

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Medical Definition

orthostatic

adjective
or·​tho·​stat·​ic ˌȯr-thə-ˈstat-ik How to pronounce orthostatic (audio)
: of, relating to, or caused by erect posture
orthostatic hypotension
Last Updated: - Updated example sentences
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