# fertilizin

> English word · Noun

## Definitions
1. A hypothetical substance supposed to be the active agent in fertilization, having two side chains, one reacting with the sperm, the other with the ovum.

## Etymology
From fertilize + -in.

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