1. A chemical radical or group consisting of nitrogen bonded to hydrogen atoms, derived from ammonia by removal of one hydrogen atom; the NH₂ group.
Usage: chemistry; technical

Examples

• The amidogen radical is highly reactive in chemical reactions.
• In organic chemistry, the amidogen group is often represented as NH₂.
• Amidogen species play an important role in atmospheric chemistry.
• The formation of amidogen radicals can be studied using spectroscopic methods.