Plural of aryl; chemical groups derived from aromatic hydrocarbons with one hydrogen atom removed, used in organic chemistry.
From 'aryl' (aromatic + -yl), coined in late 19th century chemistry to describe fragments of benzene and similar ring structures. The suffix -yl indicates a chemical radical or group.
Aryls are the building blocks of everything from aspirin to bright dyes—chemists learned to snap these benzene fragments off and reattach them to create millions of new molecules, which is why pharmaceuticals and polymers exist.
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