ethyl

[eth-uhl]

adjective

1. Chemistry.,  containing the ethyl group, as ethyl ether, C 4 H 10 O.

noun

1. a type of antiknock fluid, containing tetraethyl lead and other ingredients for a more even combustion.

ethyl

/ ˈɛθɪl, ɪˈθɪlɪk, ˈiːθaɪl /

noun

1. (modifier) of, consisting of, or containing the monovalent group C 2 H 5-

   ethyl group or radical

ethyl

1. The radical C ₂ H ₅, derived from ethane.

Other Word Forms

• nonethyl noun
• ethylic adjective

Word History and Origins

Origin of ethyl¹

From German Ethyl, coined by J. von Liebig in 1834; ether, -yl

Word History and Origins

Origin of ethyl¹

C19: from _eth ( _er ) + _-yl

Example Sentences

Patients are treated by removal of the maggots, which need to be killed by putting them into a sealed container of concentrated ethyl or isopropyl alcohol then disposed of as biohazardous waste.

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Local media reported that ethyl acetate, a highly flammable chemical compound, was found at the attack sites.

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Centers for Disease Control says chloroethane, which is also called ethyl chloride, is a colorless gas with a sharp odor that can also exist as a quick-evaporating liquid.

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In 2018, for instance, the FDA withdrew authorization for certain synthetic flavors—including benzophenone, ethyl acrylate, and eugenyl methyl ether—used to mimic flavors like mint, cinnamon and citrus in processed foods.

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He then filled in the skeleton’s holes with ethyl cellulose, a tough biodegradable polymer.

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