Speakur

Word Pronunciation & Dictionary

heavy water

Word Rarity Uncommon

Frequency: Zipf frequency 4.85 in modern English

Syllables
heavy wa-ter
IPA
22
Scrabble Score
10
Letters
2
Syllables
8
Unique Chars

Meaning

noun

Water containing deuterium instead of normal hydrogen (protium) (thus, ²H₂O); used as a moderator in nuclear reactors.

Uncountable

Usage

Inflected Forms

heavywater (alternative) heavy-water (alternative)

Phrases

heavy-water reactor semi-heavy water super-heavy water heavy hydrogen

Frequently Paired Words

heavy hydrogen light water semi-heavy water deuterated water super-heavy water tritiated water

Synonyms

deuterium oxide deuterated water

Questions

What does heavy water mean?
Water containing deuterium instead of normal hydrogen (protium) (thus, ²H₂O); used as a moderator in nuclear reactors.

How to pronounce heavy water

  1. Open the pronunciation page — Open the Speakur entry for “heavy water”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “heavy water”.
  4. Repeat and practice — Say “heavy water” aloud, matching stress and vowels until it feels natural.