Thesaurus.com
Dictionary.com
Definitions

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

He has denied the existence of Covid, questioned the moon landing and claims that water is something other than H2O.

From BBC • Dec. 10, 2024

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




Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "H2O" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com