1. salts or esters of phosphoric acid, commonly used in fertilizers, detergents, and food additives
Usage: chemistry
2. sedimentary rocks or mineral deposits containing phosphate compounds, often mined for fertilizer production
Usage: geology; mining

Examples

• The farmer applied phosphates to improve soil fertility.
• Many detergents contain phosphates that can harm aquatic ecosystems.
• Phosphates are essential nutrients for plant growth.
• The mining company extracted phosphates from the quarry.
• Food manufacturers use phosphates as preservatives in processed meats.
• High levels of phosphates in water can cause algae blooms.
• Morocco has some of the world’s largest phosphate deposits.