lithium

noun
lith·​i·​um | \ ˈli-thē-əm \

Definition of lithium

1 : a soft silver-white element of the alkali metal group that is the lightest metal known and that is used especially in alloys and glass, in chemical synthesis, 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

In this case, the electric field controlled the presence of lithium ions in the spaces in between layers of the MoS2. John Timmer, Ars Technica, "Researchers make RAM from a phase change we don’t entirely understand," 18 Dec. 2018 In a similar way, companies are racing to lock up supplies of lithium. Scott Patterson, WSJ, "Deal to Create Chinese Lithium Giant Faces Legal Challenge," 21 Oct. 2018 The planet’s host star, WASP-127, is also believed to have an abundance of lithium. Samantha Mathewson, Space.com, "Weird Stuff Swirls in Air of Huge, Puffy Alien Planet," 26 June 2018 The real star of the show, though, was the bag’s built-in lithium battery. Chavie Lieber, Vox, "When the “best” busts: the spectacular rise and fall of smart luggage startup Raden," 12 Dec. 2018 The lithium ion battery is built into the platform, takes about four to five hours to fully charge, and has a range of over 15 miles. Andrew J. Hawkins, The Verge, "Unagi is the $1,190 electric scooter you won’t want to share with anyone," 17 Nov. 2018 This week federal regulators talked about the startling risks posed to airliners by lithium ion batteries in the cargo holds of airliners. Joe Pappalardo, Popular Mechanics, "No One is Fixing Flying's Fire Problem," 3 Aug. 2018 When a ban on built-in lithium batteries was rolled out in January of this year, chaos briefly ensued at airport gates across the U.S. as smart-luggage owners were asked to remove their carry-on’s battery during boarding. Lale Arikoglu, Condé Nast Traveler, "Why Everyone Wants an Away Suitcase," 26 Nov. 2018 The cabin boasts a panoramic front window, a 21-inch TV, reading lights, and outlets, all charged by a 200-watt solar panel and 125-Ah lithium battery. Megan Barber, Curbed, "Burly camper trailer tackles any terrain and sleeps four," 15 Oct. 2018

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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Statistics for lithium

Last Updated

4 Feb 2019

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Time Traveler for lithium

The first known use of lithium was in 1818

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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 \

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

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More from Merriam-Webster on lithium

Spanish Central: Translation of 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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