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isobutyl

noun

iso·​bu·​tyl ˌī-sō-ˈbyüt-ᵊl How to pronounce isobutyl (audio)
: the monovalent alkyl group (CH3)2CHCH2

Cite this Entry

“Isobutyl.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/isobutyl. Accessed 9 Dec. 2025.

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