# haptoglobin

> English word · Noun

## Definitions
1. A protein in blood plasma that binds free hemoglobin released from erythrocytes and thereby inhibits its oxidative activity.

## Etymology
Analysable as hapto- + globin. .

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