1. An organic base C3H4N2; a histamine inhibitor
   - imidazole, glyoxaline

Type of: alkali, base

• neck bone
• neck brace
• neck exercise
• neck of the woods
• neck opening
• neck ruff
• neck sweetbread
• neck-deep
• Neckar
• Neckar River
• neckband
• neckcloth
• necked
• necker
• neckerchief
• necking
• necklace
• necklace poplar
• necklace tree
• neckless
• necklet
• necklike
• neckline
• neckpiece
• necktie