watt-hour
noun
: a unit of work or energy equivalent to the power of one watt operating for one hour
Examples of watt-hour in a Sentence
Recent Examples on the Web
Graphene has a phenomenal capacity, up to 1,000 watt-hours of energy per kilogram.
—
Nadezhda Kosareva, Forbes, 30 Dec. 2024
Google has estimated that each online search takes up 0.3 watt-hours worth of electricity, and the latest estimates on generating images with services like DALL-E peg one image at the same energy requirement as charging up your mobile phone.
—Alexander Puutio, Forbes, 22 Dec. 2024
That includes specific energy of at least 330 watt-hours per kilogram, a volumetric density of at least 842 watt-hours per liter, and a proven range of up to 1,200 cycles in 4 to 10 ampere-hour cell formats.
—IEEE Spectrum, 10 Dec. 2024
Consider that a single Google search consumes 0.3 watt-hours of electricity, according to the International Energy Agency, but a similar query on OpenAI takes 2.9 wh.
—Prarthana Prakash, Fortune, 26 Nov. 2024
For scale, a single Google search uses 0.3 watt-hours of electricity, while a request for OpenAI’s ChatGPT takes 2.9 watt-hours, the agency found.
—Rocio Fabbro, Quartz, 15 Oct. 2024
For example, Dell is just now announcing a new version of its flagship $1,400 XPS 13 laptop with Lunar Lake that’s basically identical to the current model in every other way: same chassis, same dimensions, same screen, same 55 watt-hour battery pack.
—Sean Hollister, The Verge, 3 Sep. 2024
Plus, the Claw 8 can fit a far larger battery pack at 80 watt-hours vs. the 53-watt-hour pack of the original.
—Sean Hollister, The Verge, 7 June 2024
The company claims a 20 to 40 percent boost in energy density over current silicon-free designs, with prototypes reaching more than 800 watt-hours per liter at the cell level.
—IEEE Spectrum, 13 May 2024
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Nadezhda Kosareva, Forbes, 30 Dec. 2024
Google has estimated that each online search takes up 0.3 watt-hours worth of electricity, and the latest estimates on generating images with services like DALL-E peg one image at the same energy requirement as charging up your mobile phone.
—Alexander Puutio, Forbes, 22 Dec. 2024
That includes specific energy of at least 330 watt-hours per kilogram, a volumetric density of at least 842 watt-hours per liter, and a proven range of up to 1,200 cycles in 4 to 10 ampere-hour cell formats.
—IEEE Spectrum, 10 Dec. 2024
Consider that a single Google search consumes 0.3 watt-hours of electricity, according to the International Energy Agency, but a similar query on OpenAI takes 2.9 wh.
—Prarthana Prakash, Fortune, 26 Nov. 2024
For scale, a single Google search uses 0.3 watt-hours of electricity, while a request for OpenAI’s ChatGPT takes 2.9 watt-hours, the agency found.
—Rocio Fabbro, Quartz, 15 Oct. 2024
For example, Dell is just now announcing a new version of its flagship $1,400 XPS 13 laptop with Lunar Lake that’s basically identical to the current model in every other way: same chassis, same dimensions, same screen, same 55 watt-hour battery pack.
—Sean Hollister, The Verge, 3 Sep. 2024
Plus, the Claw 8 can fit a far larger battery pack at 80 watt-hours vs. the 53-watt-hour pack of the original.
—Sean Hollister, The Verge, 7 June 2024
The company claims a 20 to 40 percent boost in energy density over current silicon-free designs, with prototypes reaching more than 800 watt-hours per liter at the cell level.
—IEEE Spectrum, 13 May 2024
Dictionary Entries Near watt-hour
Cite this Entry
“Watt-hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/watt-hour. Accessed 7 Jan. 2025.
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