Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
noun
A heavier form of water, containing one protium (normal hydrogen, 1H) and one deuterium (heavy hydrogen, 2H) atom (thus, 1H-2H-O).
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: chemistry, inorganic-chemistry, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: deuterated water
Antonyms: none provided
Broader terms: water, mul:H2O, substance
History
From semi- + heavy water.
Across languages
2 source translations are retained for this English entry.
