1. A chemical compound containing two amide groups (–CONH₂ or –CONR₂) bonded to the same or different carbon atoms or molecular frameworks.
Usage: technical; chemistry

Examples

• Oxalamide is a simple diamide formed from oxalic acid.
• The researchers synthesized a new diamide polymer with improved thermal stability.
• Diamides are commonly used as building blocks in organic synthesis.
• The diamide compound showed promising results in the pharmaceutical screening.
• Terephthalamide is a diamide derived from terephthalic acid.