Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Di
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Di-: Prefix taken directly from the Greek meaning twice or double or twofold, as in diacid, diamelia (absence of two limbs), diandry (double male genetic contribution) and digyny (double female genetic contribution); the drugs diazepam, dicyclomine (Bentyl), and diethylstilbestrol (DES); etc. Di- should not be confused with the prefix dia- which has a wholly different meaning.
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