# Wistar

> English word · Noun · frequency rank #81,033

## Definitions
1. An outbred albino rat used in medical research, having a wide head, long ears, and a tail shorter than the rest of its body.

## Etymology
Developed at the Wistar Institute in 1906.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/wistar
