Meaning & use

ethyl ether

noun·Advanced

A highly flammable, sweet-smelling liquid compound once widely used as a surgical anesthetic and industrial solvent.

See it in a sentence

Ethyl ether was one of the first substances used to put patients to sleep during surgery.

The lab stored the ethyl ether carefully because of its extreme flammability.

A note on using this word

Ethyl ether has largely been replaced in modern medicine by safer anesthetics, but it's still used as a solvent in some industrial and laboratory settings.

Words with a similar meaning

diethyl ether

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