# photodensity

> English word · Noun

## Definitions
1. The optical density of an object, but especially that of tissue and bone to X-rays

## Etymology
From photo- + density.

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