# thionite

> English word · Noun

## Definitions
1. A fictional addictive drug said to induce euphoric dreams.

## Etymology
From thio- (“containing sulphur”) + -n- + -ite. Coined by American author E. E. Smith in 1937.

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