1. A prefix used in biochemical nomenclature in place of phosphono to denote the –P(=O)(OH)2 group linked to a heteroatom, e.g. Me3N+–CH2CH2–OP(=O)(OH)O phosphocholine.
  2. An infix used in biochemical nomenclature to name phosphoric diesters, e.g. glycerophosphocholine.
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1358 (
White Book, 2nd ed., p. 256 (