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Lithium

/ˈlɪθiəm/noun

The lightest metal, used in rechargeable batteries and in psychiatric medicine.

The Greek roots

λίθος
líthos
stone

Literally: stone metal

Follow a root:λίθος15 words

The story of the word

Johan August Arfwedson found the new alkali in the mineral petalite in 1817, and Berzelius named it from λίθος, stone. The point of the name was a contrast: soda and potash had come from plant ash, while this alkali came out of rock. Its use as a mood stabiliser was rediscovered by John Cade in Australia in 1949, which makes it one of the few elements prescribed as a drug in its raw ionic form.

How it travelled
Ancient Greek → scientific coinage → English
First recorded
1818

Same family

monolithmegalithlithographypalaeolithic

In a sentence

Half the world's lithium supply comes out of a handful of salt flats.

She has been stable on lithium for eleven years and has the blood tests to prove it.

Built on the same root

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