1. a colorless gas with a strong, sharp smell, composed of nitrogen and hydrogen
Usage: chemistry
2. a solution of ammonia gas in water, used as a household cleaner

Examples

• The ammonia leak created a dangerous situation at the factory.
• She used ammonia to clean the windows.
• The strong smell of ammonia made her eyes water.
• Ammonia is commonly used in fertilizers.
• The bottle of household ammonia was stored safely away from children.
• Industrial ammonia production requires high temperatures and pressure.