# metre-tonne-second

> English word · Noun

## Definitions
1. A system of units formerly used as a national standard internationally, especially for France and the Soviet Union.

## Etymology
From metre + tonne + second. From the base units of this version of the metric system.

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