# transillumination

> English word · Noun

## Definitions
1. A shining through (something).
2. The examination of a body part, or a tissue sample, by shining light through it.

## Etymology
From trans- + illumination.

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