Doubly labeled water

Noun

Definitions

1.NounWater where both the hydrogen and oxygen atoms have been replaced by less common isotopes.

"Deuterium oxide-18 (D2O or H2O) is one kind of doubly labeled water."

The Daily Word NerdA new word, a puzzle, and a fun fact — free in your inbox every morning.

Free forever · unsubscribe anytime · all 14 newsletters

That email did not go through — please check it and try again.