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Rarebutyl
The correct spelling is butyl.
How to pronounce butyl
noun
Say it like: But-yl
The correct spelling is butyl. Any of four isomeric univalent hydrocarbon radicals, C4H9, formally derived from butane by the loss of a hydrogen atom.
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Definition
noun
- 1.Any of four isomeric univalent hydrocarbon radicals, C4H9, formally derived from butane by the loss of a hydrogen atom.
- 2.A synthetic rubber made by the polymerization of isobutylene.
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