# vernalin

> English word · Noun

## Definitions
1. A hypothetical plant hormone thought to be responsible for vernalization.

## Etymology
From vernal + -in, coined by the German botanist G. Melchers in 1939.

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