# photomask

> English word · Noun

## Definitions
1. A transparent quartz block marked with many high-resolution images; a series of them are used in the photolithography of integrated circuits, one for each layer.

## Etymology
From photo- + mask.

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