# tryptophyl

> English word · Noun · IPA /ˈtɹɪp.tə.fɪl/

## Definitions
1. The univalent radical derived from tryptophan

## Etymology
From tryptophan + -yl.

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