H2O

1. The chemical symbol (see also symbol ) for water. Each molecule of water contains two atoms of hydrogen (H) joined to a single atom of oxygen (O).

Example Sentences

Here, at depths of 5km, where no sunlight can penetrate, the oxygen appears to be produced by naturally occurring metallic “nodules” which split seawater - H2O - into hydrogen and oxygen.

From BBC

However, in interaction with proteins, D2O is less potent than H2O.

From Science Daily

Jupiter's rampant radiation breaks H2O's molecular bonds, leaving behind oxygen and hydrogen.

From Science Daily

Federal prosecutors put the total amount of all contracts paid to H2O Process Systems by Maui County at around $19.3 million since 2012.

From New York Times

That means we need better prediction and detection—and we'd need astronauts to stay close to their H2O shield.

From Scientific American

Related Words

• drink
• rain