1. converted into nitrates or nitrites, especially through bacterial action
Usage: chemistry; biology

Examples

• The nitrified soil provided excellent nutrients for plant growth.
• Bacteria in the aquarium filter help create nitrified compounds from fish waste.
• The nitrified water showed high levels of nitrates.
• Farmers test their nitrified fields to monitor nitrogen levels.
• The nitrified organic matter enriched the compost.
• Scientists studied the nitrified sediments in the lake bottom.