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
While Typhoon Lagoon’s season usually wraps up by September 7, Disney is keeping the summer magic alive with H2O Glow After Hours on select nights through September 13.
—Martie Bowser, Miami Herald, 5 Sep. 2025
Select other Orlando-area after-dark water park offerings as the summer of 2025 winds down include:
• Remaining sessions for Typhoon Lagoon’s Disney H2O Glow After Hours are Aug. 25, Aug. 31, Sept. 6 and Sept. 13.
—Dewayne Bevil, The Orlando Sentinel, 21 Aug. 2025
Its name HTeaO is an obvious play on words with H2O, the main component of the earth’s atmosphere.
—Gary Stern, Forbes.com, 15 Aug. 2025
If chugging water all day long sounds like a drag, here's some encouraging news: Fruits and vegetables count towards your H2O intake, too!
—Alice Oglethorpe, Better Homes & Gardens, 8 July 2025
Have your daily prune dose along with a glass of H2O to make sure this doesn’t happen.
—Caroline Tien, SELF, 24 June 2025
Qualifying SMRs must use light water—regular H2O, as opposed to heavy water which carries extra neutrons—as coolant.
—IEEE Spectrum, 21 Apr. 2025
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Martie Bowser, Miami Herald, 5 Sep. 2025
Select other Orlando-area after-dark water park offerings as the summer of 2025 winds down include:
• Remaining sessions for Typhoon Lagoon’s Disney H2O Glow After Hours are Aug. 25, Aug. 31, Sept. 6 and Sept. 13.
—Dewayne Bevil, The Orlando Sentinel, 21 Aug. 2025
Its name HTeaO is an obvious play on words with H2O, the main component of the earth’s atmosphere.
—Gary Stern, Forbes.com, 15 Aug. 2025
If chugging water all day long sounds like a drag, here's some encouraging news: Fruits and vegetables count towards your H2O intake, too!
—Alice Oglethorpe, Better Homes & Gardens, 8 July 2025
Have your daily prune dose along with a glass of H2O to make sure this doesn’t happen.
—Caroline Tien, SELF, 24 June 2025
Qualifying SMRs must use light water—regular H2O, as opposed to heavy water which carries extra neutrons—as coolant.
—IEEE Spectrum, 21 Apr. 2025
Cite this Entry
“H2O.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/H2O. Accessed 17 Sep. 2025.
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