H2O
CulturalExample Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Water molecules are made up of two hydrogen atoms and one oxygen atom, giving water its familiar H2O formula.
From Science Daily ● May 8, 2026
That’s the challenge—and opportunity—facing industrial stocks that specialize in H2O.
From Barron's ● Apr. 16, 2026
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
Later, for no special reason, the fashion became to render the number as subscript: H2O.
From "A Short History of Nearly Everything" by Bill Bryson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
