pétatonne
“pétatonne” is a French word, defined here in French.
In French
- Unité de mesure de masse en dehors du Système international (mais dont l’usage est accepté avec le SI), valant 10 tonnes (soit 10 kilogrammes), et dont le symbole est Pt.
- Unité de mesure d’énergie explosive, équivalant à 10 tonnes de TNT. Son symbole est Pt ou PtTNT.
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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence. Definitions in French are from the French Wiktionary, under the same licence.