# monolayer

> English word · Noun · frequency rank #78,841

## Definitions
1. A layer of material that is one molecule thick
2. A layer of tissue that is one cell thick

## Etymology
From mono- + layer.

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