Orthophosphate is a chemical compound that is commonly found in fertilizers, detergents and food additives. Synonyms for orthophosphate include anhydrous phosphoric acid, monobasic sodium phosphate, phosphorus anhydride, and triphosphoric acid. Other related words include pyrophosphate, which refers to a compound containing two phosphate groups, and polyphosphate, which refers to a compound containing multiple phosphate groups. In the field of biology, orthophosphate is often referred to as inorganic phosphate, as it is a component of DNA and RNA and is involved in many cellular processes. Overall, there are a variety of synonyms and related terms for the word orthophosphate, reflecting its importance and ubiquity in various fields of study.