# photochromatography

> English word · Noun

## Definitions
1. A form of chromatography in which isotopically-labelled compounds may be separated by illumination at a wavelength that will excite any specific isotope

## Etymology
From photo- + chromatography.

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