# polyhistidine

> English word · Noun

## Definitions
1. Several histidine residues linked together (usually at least six).

## Etymology
From poly- + histidine.

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