# retrocyclin

> English word · Noun

## Definitions
1. An artificial human theta-defensin shown to be effective against HIV and other viruses.

## Etymology
From retro- + cyclin.

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