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 element table
2 : a salt of lithium (such as lithium carbonate) used in psychiatric medicine
Recent Examples of lithium from the Web
The cost of lithium ion batteries, the gold standard in solar power storage, has fallen significantly, Mr. Turner said, largely because of economies of scale.
Lapan said Tuesday's fire aboard a Jet Blue flight caused by a lithium-ion battery did not change the government's thinking about expanding the restriction on electronic devices.
It was later determined the smoke was coming from the lithium battery in a passenger's laptop computer.
GRAND RAPIDS, Mich. (AP) — Pilots of a JetBlue flight from New York to San Francisco were forced to land close to the midway point of the trip after a fire was started by a lithium battery inside a passenger’s laptop.
Most rechargeable electronic devices, like laptops, are powered by lithium-ion batteries.
Authorities say a JetBlue flight from New York to San Francisco landed in Michigan after a lithium battery in a passenger’s laptop apparently started a fire.
Last year, Samsung's Galaxy Note 7 phones were banned from all flights after the company discovered that its lithium-ion batteries were faulty and could overheat and catch fire.
The camera, which is .8 mm thick and weighs 1.2 ounces, has a USB port and rechargeable lithium batteries with enough power to capture 500 shots.
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.
Origin and Etymology of lithium
New Latin, from lithia oxide of lithium, from Greek lithos
First Known Use: 1818See Words from the same year
LITHIUM Defined for English Language Learners
Definition of lithium for English Language Learners
: a soft silver-white element that is the lightest metal known
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 element table
2: a lithium salt and especially lithium carbonate used in psychiatric medicine
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