light water

Definition

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

Etymology

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

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"