H2O
CulturalExample Sentences
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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
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
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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.