induration

noun

in·​du·​ra·​tion ˌin-də-ˈrā-shən 

-dyə-

: the process of or condition produced by growing hard

specifically : sclerosis especially when associated with inflammation

indurative

ˈin-də-ˌrā-tiv 

-dyə-;

in-ˈdür-ə- 

-ˈdyür-

adjective

Examples of induration in a Sentence

Recent Examples on the Web

This thickening and hardening of tissue is called an induration and the size of it is measured by your doctor in a return visit 48 to 72 hours after the initial injection took place. —Daryl Austin, USA Today, 11 May 2025

Word History

First Known Use

14th century, in the meaning defined above

Rhymes for induration

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

Medical Definition

induration

noun

in·​du·​ra·​tion ˌin-d(y)ə-ˈrā-shən 

1

: an increase in the fibrous elements in tissue commonly associated with inflammation and marked by loss of elasticity and pliability : sclerosis

2

: a hardened mass or formation