Word Pronunciation & Dictionary

light water

Word Rarity Common

Frequency: Zipf frequency 5.11 in modern English

Syllables: light wa-ter
IPA

17

Scrabble Score

10

Letters

2

Syllables

9

Unique Chars

Meaning

noun

Any water molecules (H₂O) containing two protium (¹H, hydrogen-1) atoms.

Uncountable

noun

Any water molecules (H₂O) containing two protium (¹H, hydrogen-1) atoms.

Uncountable

noun

Foam formed by water and any of various additives, used in firefighting because it floats on flammable liquids lighter than water. (The additives were originally fluorocarbon surfactants but today are increasingly fluorine-free.)

Uncountable

Example Sentences

"The light water (AFFF) of the TACR was to be backed up by fluorinated protein foam instead of standard protein foam."
"These fires can be extinguished with water spray, alcohol-resistant foam, light water, vaporising liquids ("Halons"), carbon dioxide and dry powder."
"They can be extinguished by carbon dioxide, dry powder, water spray, light water and vaporising liquid"

Etymology

By reference to atomic weight and atomic mass; more at light hydrogen.

Usage

Uncountable

Phrases

light water reactor light hydrogen

Frequently Paired Words

light hydrogen lightwater light-water heavy water semi-heavy water super-heavy water

Synonyms

diprotium monoxide

Questions

What does light water mean?: Any water molecules (H₂O) containing two protium (¹H, hydrogen-1) atoms.
Where does light water come from?: By reference to atomic weight and atomic mass; more at light hydrogen.

How to pronounce light water

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