# photojunction

> English word · Noun

## Definitions
1. A nuclear battery in which a phosphor is irradiated by a radioactive material; a silicon junction converts the emitted light into electricity.

## Etymology
From photo- + junction.

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