Poisoning means occurrence of damage or disturbance caused by a poison, and includes intoxication.
FAO. 2001. Progress in the Revision of the International Code of Conduct on the Distribution and Use of Pesticides. C 2001/7, Art.2 - Terms and definitions - Code of Conduct, 2001 rev. version https://www.fao.org/3/Y1616e/Y1616e00.htm