# Siemens-Martin process

> English word · Proper noun

## Definitions
1. A kind of open-hearth process for producing steel.

## Etymology
Developed by German-born engineer Carl Wilhelm Siemens, and then licensed in 1865 by French engineer Pierre-Émile Martin.

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