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• -yl
  -yl

  a suffix used in the names of radicals.
• –yl
  –yl

  A suffix used to form the chemical names of organic compounds when they are radicals (parts of larger compounds), such as ethyl and phenyl.

-yl

American  

Chemistry.

1. a suffix used in the names of radicals.

   ethyl.

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-yl British  

suffix

1. (in chemistry) indicating a group or radical

   methyl

   carbonyl

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–yl Scientific  

1. A suffix used to form the chemical names of organic compounds when they are radicals (parts of larger compounds), such as ethyl and phenyl.

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Etymology

Origin of -yl

< French -yle < Greek hȳ́lē matter, wood, substance

Example Sentences

The name of an alkyl group is obtained by dropping the suffix -ane of the alkane name and adding -yl:

From Textbooks • Feb. 14, 2019