lithium

noun
lith·​i·​um | \ ˈli-thē-əm How to pronounce lithium (audio) \

Definition of lithium

1 : a chemical element of the alkali metal group that is the lightest metal known and that is used especially in alloys and glass, in mechanical lubricants, and in storage batteries — see Chemical Elements Table
2 : a salt of lithium (such as lithium carbonate) used in psychiatric medicine

Examples of lithium in a Sentence

Recent Examples on the Web Solid-state batteries are promised to offer greater energy density than the lithium-ion batteries that are currently used in electric vehicles. Connor Hoffman, Car and Driver, "BMW and Ford Invest in Solid-State Battery Startup for Future EVs," 3 May 2021 The Fallbrook Energy Storage project’s lithium-ion facility will store 40 megawatts and 160 megawatt-hours of energy that can provide the equivalent of four hours for 26,000 residential customers. Rob Nikolewski, San Diego Union-Tribune, "SDG&E pledges to go to net-zero emissions by 2045," 26 Apr. 2021 In between the axles is a 100-kWh battery pack made up of 12 modules filled with GM’s new Ultium lithium ion cells. Sam Abuelsamid, Forbes, "GM’s Electric Cadillac Lyriq Arrives Spring 2022 With +300-Mile Range, $60,000 Starting Price," 21 Apr. 2021 Cuisinart's compact, cordless EvolutionX blender is powered by 7.4 volts of lithium-ion efficiency and rechargeable via USB. Rachel King, Fortune, "A guide to upgrading your spring cleaning," 10 Apr. 2021 But Schmidt’s calculation of the lifetime cost per megawatt-hour for lithium-ion batteries, $367, is more than twice as much. Cathleen O’grady, Science | AAAS, "Gravity-based batteries try to beat their chemical cousins with winches, weights, and mine shafts," 22 Apr. 2021 Much of the supply chain, from the lithium-ion batteries to the brushless motors, is outside the U.S., in places like China, Japan and even Congo. NBC News, "Recharged: How the U.S. is trying to make up lost ground on electric vehicles," 20 Apr. 2021 The National Transportation Safety Board last year published an independently review of the risk of fires caused by the lithium-ion batteries used in electric vehicles. Katie Shepherd, Anchorage Daily News, "A driverless Tesla crashed in Texas, killing 2 passengers and burning for hours," 19 Apr. 2021 The National Transportation Safety Board last year published an independently review of the risk of fires caused by the lithium-ion batteries used in electric vehicles. BostonGlobe.com, "A driverless Tesla crashed and burned for four hours, police said, killing two passengers in Texas," 19 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lithium.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of lithium

1818, in the meaning defined at sense 1

History and Etymology for lithium

New Latin, from lithia oxide of lithium, from Greek lithos

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Time Traveler for lithium

Time Traveler

The first known use of lithium was in 1818

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Statistics for lithium

Last Updated

7 May 2021

Cite this Entry

“Lithium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lithium. Accessed 13 May. 2021.

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More Definitions for lithium

lithium

noun

English Language Learners Definition of lithium

: a soft silver-white element that is the lightest metal known

lithium

noun
lith·​i·​um | \ ˈlith-ē-əm How to pronounce lithium (audio) \

Medical Definition of lithium

1 : a soft silver-white element of the alkali metal group that is the lightest metal known and that is used in chemical synthesis and in storage batteries symbol Li — see Chemical Elements Table
2 : a lithium salt and especially lithium carbonate used in psychiatric medicine

More from Merriam-Webster on lithium

Nglish: Translation of lithium for Spanish Speakers

Britannica English: Translation of lithium for Arabic Speakers

Britannica.com: Encyclopedia article about lithium

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