lithium
noun
lith·i·um
ˈli-thē-əm 
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
California Monterey County officials call Moss Landing lithium battery storage fire a ‘wake-up call’
Jan. 21, 2025
Already, the fire has prompted calls for additional safety regulations around battery storage, and more local control over where storage sites are located.
—
Clara Harter, Los Angeles Times, 26 Jan. 2025
The battery storage facility contains thousands of lithium batteries.
—Tim Bajarin, Forbes, 23 Jan. 2025
The thrusters, powered by an electric motor and 62 kWh lithium battery have a total power output of 100 kW—with enough juice to also power the air-conditioning.
—Michael Verdon, Robb Report, 22 Jan. 2025
According to its designers, one 1.5-hour charge of the D13's 150-mAh lithium battery should be good for about 10 days of typical use.
—Ben Coxworth, New Atlas, 21 Jan. 2025
See all Example Sentences for lithium 
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.
Clara Harter, Los Angeles Times, 26 Jan. 2025
The battery storage facility contains thousands of lithium batteries.
—Tim Bajarin, Forbes, 23 Jan. 2025
The thrusters, powered by an electric motor and 62 kWh lithium battery have a total power output of 100 kW—with enough juice to also power the air-conditioning.
—Michael Verdon, Robb Report, 22 Jan. 2025
According to its designers, one 1.5-hour charge of the D13's 150-mAh lithium battery should be good for about 10 days of typical use.
—Ben Coxworth, New Atlas, 21 Jan. 2025
See all Example Sentences for lithium
Dictionary Entries Near lithium
Cite this Entry
“Lithium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lithium. Accessed 11 Feb. 2025.
Copy CitationKids Definition
lithium
noun
lith·i·um
ˈlith-ē-əm
: a soft silver-white element that is the lightest metal known see element
Medical Definition
lithium
noun
lith·i·um
ˈlith-ē-əm
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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share