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água pesada

Portuguese, noun

água pesada is a Portuguese feminine noun meaning “heavy water (water containing deuterium instead of normal hydrogen)” (English Wiktionary, September 2026).

What does água pesada mean in English?

noun

  1. 1

    feminineheavy water (water containing deuterium instead of normal hydrogen)

Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).

How Portuguese dictionaries define it

phrase: 1. aquela que contém grande percentual de D₂O; usado como elemento moderador em reatores nucleares

The definition in the Portuguese Wiktionary (Wikcionário), in Portuguese.

Source: Portuguese Wiktionary (Wikcionário), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.