# homocysteine

> English word · Noun · frequency rank #75,049

## Definitions
1. An amino acid which is monitored in the blood to estimate risk of cardiovascular disease.

## Etymology
From homo- + cysteine.

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