# overlayer

> English word · Noun

## Definitions
1. A layer of adatoms adsorbed onto a surface, as onto the surface of a single crystal.

## Etymology
From over- + layer.

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