- homobiotin
- A compound resembling biotin except for the substitution of an oxygen atom for the sulfur and the presence of an additional CH2 group in the side chain; an active biotin antagonist.
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ho·mo·bio·tin (ho″mo-biґo-tin) a homologue of biotin having an additional CH2 group in the side chain and acting as a biotin antagonist.
Medical dictionary. 2011.