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pétatonne

“pétatonne” is a French word, defined here in French.

In French

  1. 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.
  2. 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.