Definition of tetrahydrogestrinone in English:

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Pronunciation: /ˌtetrəˌhīdrəˈjestrəˌnōn/ Pronunciation: /-ˌhīdrō-/
(abbreviation THG)


An artificial anabolic steroid taken for enhancement of athletic performance. It was until recently undetectable in the bloodstream using normal testing techniques.
Example sentences
  • The session looked at gene doping and other forms of enhancement drugs for athletes, including the use of THG, tetrahydrogestrinone, the designer anabolic steroid which until recently escaped detection.
  • Thoroughbreds in New South Wales will be tested for a new ‘designer’ anabolic steroid called tetrahydrogestrinone beginning Saturday at Rosehill Gardens.
  • The drug Catlin encountered last year is an anabolic steroid called tetrahydrogestrinone.

For editors and proofreaders

Syllabification: tet·ra·hy·dro·ges·tri·none

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