# fibroelastosis

> English word · Noun

## Definitions
1. A rare heart disorder, usually in young children, characterized by a thickening of the endocardium.

## Etymology
From fibro- + elasto- + -osis.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/fibroelastosis