H2O

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

That’s the challenge—and opportunity—facing industrial stocks that specialize in H2O.

From Barron's • Apr. 16, 2026

"If we're going to send humans to Mars, you need H2O and not just for drinking, but for propellant and all manner of applications," Luzzi said.

From Science Daily • Dec. 27, 2025

H2O is the stuff of life, but for several decades, water producers and sommeliers have been working to make it something more: the stuff of taste.

From The Wall Street Journal • Oct. 20, 2025

Over the course of 40-day laboratory experiments involving dehydration, the scientists learned that ferrihydrite loses some absorbed H2O while maintaining its poorly-crystalline structure.

From Salon • Mar. 1, 2025

To indicate the number of atoms in a molecule, Berzelius employed a superscript notation, as in H2O.

From "A Short History of Nearly Everything" by Bill Bryson