H2O
noun
: water sense 1a
American lawns and gardens drink up H2O at alarming rates, especially in the dry West, where more than 50% of residential water is used for landscaping.—
Bryan Walsh
Bryan WalshExamples of H2O in a Sentence
Recent Examples on the Web
There are waterfalls in the relaxation area and treatment rooms, as well as seven different hydrotherapy treatments with names like H2O Inspiration, Rain Man, and Still Waters.
—Blane Bachelor, Robb Report, 17 Apr. 2025
Hydrogen, as the ‘H’ in H2O, is obviously a key component in the creation of water.
—Eric MacK, Forbes.com, 16 Apr. 2025
Water Origins on Earth Ironically, researchers turned to a meteorite containing hydrogen to prove that such former bodies did not provide the H2 ingredient of water’s H2O recipe.
—Paul Smaglik, Discover Magazine, 15 Apr. 2025
The Tri 2 Pro headphones work with the H2O Audio app (available for Android and iOS).
—PC Magazine, 9 Apr. 2025
Typhoon Lagoon again will offer the Disney H2O Glow After Hours, a three-hour nighttime event held on 18 select nights starting May 23.
—Dewayne Bevil, The Orlando Sentinel, 1 Apr. 2025
Friends, meet Dolce Vita’s Martey H2O Fashion Boot.
—Maria Correa, Miami Herald, 3 Mar. 2025
And there's no secret hydration hack for celebrities, either, though Sharma's A-list clients add some supplements to their H2O for even more impact.
—Stephanie Sengwe, People.com, 1 Mar. 2025
Cover the chicken with cold water (never warm or hot H2O, as this can push the poultry into the danger zone), then top it with a heavy can or other object to keep it submerged.
—Karla Walsh, Better Homes & Gardens, 25 Feb. 2025
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Blane Bachelor, Robb Report, 17 Apr. 2025
Hydrogen, as the ‘H’ in H2O, is obviously a key component in the creation of water.
—Eric MacK, Forbes.com, 16 Apr. 2025
Water Origins on Earth Ironically, researchers turned to a meteorite containing hydrogen to prove that such former bodies did not provide the H2 ingredient of water’s H2O recipe.
—Paul Smaglik, Discover Magazine, 15 Apr. 2025
The Tri 2 Pro headphones work with the H2O Audio app (available for Android and iOS).
—PC Magazine, 9 Apr. 2025
Typhoon Lagoon again will offer the Disney H2O Glow After Hours, a three-hour nighttime event held on 18 select nights starting May 23.
—Dewayne Bevil, The Orlando Sentinel, 1 Apr. 2025
Friends, meet Dolce Vita’s Martey H2O Fashion Boot.
—Maria Correa, Miami Herald, 3 Mar. 2025
And there's no secret hydration hack for celebrities, either, though Sharma's A-list clients add some supplements to their H2O for even more impact.
—Stephanie Sengwe, People.com, 1 Mar. 2025
Cover the chicken with cold water (never warm or hot H2O, as this can push the poultry into the danger zone), then top it with a heavy can or other object to keep it submerged.
—Karla Walsh, Better Homes & Gardens, 25 Feb. 2025
Cite this Entry
“H2O.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/H2O. Accessed 22 Apr. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share