eversion

noun

ever·​sion i-ˈvər-zhən 

-shən

1

: the act of turning inside out : the state of being turned inside out

eversion of the bladder

2

: the condition (as of the foot) of being turned or rotated outward

eversible

i-ˈvər-sə-bəl 

adjective

Examples of eversion in a Sentence

Recent Examples on the Web

In contrast, the eversion technique used in the new study has no such limit on size. — IEEE Spectrum, 16 May 2023

And there’s people doing other things, there’s people working on the proof of sphere eversion. — Quanta Magazine, 29 June 2022

Made from thin polyethylene, the robot expands from its tip by eversion. — Annalee Newitz, Ars Technica, 20 July 2017

This behavior is often triggered by the stress of capture, especially in hook and line fisheries, where the hook itself may act as a stimulus for eversion. — Melissa Cristina Márquez, Forbes, 2 Mar. 2024

Ligament tears happen when the foot turns too far inward or outward, also known as inversion (inward) or eversion (outward) injuries. — Mark Gurarie, Health, 11 Sep. 2025

Word History

First Known Use

1567, in the meaning defined at sense 1

Rhymes for eversion

• aspersion
• aversion
• conversion
• dispersion
• diversion
• excursion
• immersion
• incursion
• inversion
• perversion
• recursion
• reversion

Medical Definition

eversion

noun

ever·​sion i-ˈvər-zhən, -shən 

1

: the act of turning inside out : the state of being turned inside out

eversion of the eyelid

eversion of the bladder

2

: the condition (as of the foot) of being turned or rotated outward compare inversion sense 1b

eversible

-ˈvər-sə-bəl 

adjective