# Shimose powder

> English word · Noun

## Definitions
1. A picric acid-based explosive.

## Etymology
From Shimose + powder. Calque of Japanese 下瀬火薬 (Shimose kayaku), from 下瀬 (Shimose, surname) + 火薬 (kayaku, “gunpowder”, literally “fire chemical”).
Named after Japanese chemist 下瀬雅允 (Shimose Masachika) (1860–1911), the developer of the powder.

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