: 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

Examples of H2O in a Sentence

Recent Examples on the Web
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.
Each sheet did indeed form a perfect crystal of repeating H2O molecules. Quanta Magazine, 12 Feb. 2025 Drain the water, add a fresh batch of cold H2O, then stir and strain off the skins that float to the top. Karla Walsh, Better Homes & Gardens, 28 Jan. 2025 Primary hazards include high levels of volcanic gases—predominantly water vapor (H2O), carbon dioxide (CO2), and sulfur dioxide (SO2). Josh Hammer, Newsweek, 23 Dec. 2024 The potted plant experiment gave Wilde the idea that incorporating unused wool—which can hold up to 35% of its weight in H2O—into his compost pile might keep the product moist. Lindsey King, TIME, 23 Dec. 2024 Conserving water can slow the depletion rate of H2O stored in city reservoirs, potentially postponing or avoiding a serious shortage. Ellen Wulfhorst, New York Daily News, 2 Nov. 2024 The filing details the acquisition of H2O Midstream and Permian Pipeline Holdings, LLC, which contributed to changes in the company's financial position. Quartz Bot, Quartz, 7 Nov. 2024 Experience the vibrant Boardwalk neighborhood from new heights via zipline, scale the 40-foot rock climbing wall for stunning sea views, or let loose with the little ones at the H2O Zone Water Park. Lauren Dana Ellman, Travel + Leisure, 6 Nov. 2024 Ten outdoor hot tubs — four located near the main pools, two in Spice H2O, and four more in the exclusive areas of Vibe Beach Club and the Haven — were certainly put to good use. Shelby Wayte, Travel + Leisure, 8 Sep. 2024

Word History

First Known Use

1879, in the meaning defined above

Time Traveler
The first known use of H2O was in 1879

Dictionary Entries Near H2O

H2

H2O

H3

Cite this Entry

“H2O.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/H2O. Accessed 23 Feb. 2025.

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