heavy water

heavy water

noun

Definition of HEAVY WATER

1

: the compound D₂O composed of deuterium and oxygen —called also deuterium oxide

2

: water enriched in deuterium

First Known Use of HEAVY WATER

1933

Rhymes with HEAVY WATER

above water, Derwent Water, holy water, in deep water, milk-and-water, mineral water, polywater, quinine water, running water, soda water, toilet water, underwater