What is the meaning of Doping?

present participle and gerund of dope

The use of drugs to improve athletic performance.

The addition of small quantities of an element (a dopant) to a semiconductor to change its characteristics.

The applying of dope to a substrate such as airplane fabric, or the coating thus produced.

doping

doping (use of drugs to improve athletic performance)

doping (use of drugs to improve athletic performance)

doping, the use of drugs to improve athletic performance.

illicit drug use.

doping (use of drugs to improve athletic performance; addition of impurities to semiconductors)

doping (the use of drugs to improve athletic performance)

support, encouragement, cheering

doping (the use of drugs to improve athletic performance)

doping (the addition of small quantities of an element to a semiconductor)

doping

doping

doping

doping (the use of drugs to improve athletic performance)

Source: wiktionary.org