alkyl

American  

[al-kuhl] / ˈæl kəl /

adjective

1. containing an alkyl group.

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noun

1. an alkyl group.

alkyl British  

/ ˈælkɪl /

noun

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

   alkyl group or radical

2. an organometallic compound, such as tetraethyl lead, containing an alkyl group bound to a metal atom

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alkyl Scientific  

/ ăl′kəl /

1. A radical that has the general formula C _n H _{2n + 1}, formed by removing a hydrogen atom from an alkane. Ethyl and propyl are alkyls.

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Etymology

Origin of alkyl

1880–85; < German, equivalent to Alk ( ohol ) alcohol + -yl -yl

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Example Sentences

See Examples For:

alkyl

The researchers modified DHI by attaching alkyl chains to its sp³ carbon atoms -- which have four bonds pointing in fixed 3D directions.

From Science Daily ● Jun. 26, 2026

The team suspected that choosing the correct ligand might unlock reactivity with alkyl ketones.

From Science Daily ● Nov. 26, 2025

In this study, the researchers synthesized PSPBs with different molecular weights and added varying amounts of hydrophobic monomers individually and with different alkyl chains through a process known as reversible addition-fragmentation chain transfer polymerization.

From Science Daily ● May 30, 2024

Name and write the structures of all isomers of the propyl and butyl alkyl groups.

From Textbooks ● Feb. 14, 2019

The second major group of insecticides, the alkyl or organic phosphates, are among the most poisonous chemicals in the world.

From "Silent Spring" by Rachel Carson

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