androstenedione
noun
an·dro·stene·di·one ˌan-drə-ˌstēn-ˈdī-ōn 
-ˈstēn-dē-ˌōn
-ˈstēn-dē-ˌōn : a steroid sex hormone C19H26O2 that is secreted by the testes, ovaries, and adrenal cortex and is an intermediate in the biosynthesis of testosterone and estrogen
Example Sentences
Recent Examples on the Web Mark McGwire, who admitted to taking androstenedione, a steroid, received 12.3% of the votes in 2016, his final year on the ballot. 
Evan Petzold, USA TODAY, 28 Jan. 2022 Mark McGwire, who admitted to taking androstenedione, a steroid, received 12.3% of the votes in 2016, his final year on the ballot. Evan Petzold, USA TODAY, 28 Jan. 2022 Mark McGwire, who admitted to taking androstenedione, a steroid, received 12.3% of the votes in 2016, his final year on the ballot. Evan Petzold, USA TODAY, 28 Jan. 2022 Mark McGwire, who admitted to taking androstenedione, a steroid, received 12.3% of the votes in 2016, his final year on the ballot. Evan Petzold, USA TODAY, 28 Jan. 2022 Mark McGwire, who admitted to taking androstenedione, a steroid, received 12.3% of the votes in 2016, his final year on the ballot. Evan Petzold, USA TODAY, 28 Jan. 2022 Mark McGwire, who admitted to taking androstenedione, a steroid, received 12.3% of the votes in 2016, his final year on the ballot. Evan Petzold, USA TODAY, 28 Jan. 2022 Mark McGwire, who admitted to taking androstenedione, a steroid, received 12.3% of the votes in 2016, his final year on the ballot. Evan Petzold, USA TODAY, 28 Jan. 2022 Mark McGwire, who admitted to taking androstenedione, a steroid, received 12.3% of the votes in 2016, his final year on the ballot. Evan Petzold, USA TODAY, 28 Jan. 2022 See More
Evan Petzold, USA TODAY, 28 Jan. 2022 Mark McGwire, who admitted to taking androstenedione, a steroid, received 12.3% of the votes in 2016, his final year on the ballot. Evan Petzold, USA TODAY, 28 Jan. 2022 Mark McGwire, who admitted to taking androstenedione, a steroid, received 12.3% of the votes in 2016, his final year on the ballot. Evan Petzold, USA TODAY, 28 Jan. 2022 Mark McGwire, who admitted to taking androstenedione, a steroid, received 12.3% of the votes in 2016, his final year on the ballot. Evan Petzold, USA TODAY, 28 Jan. 2022 Mark McGwire, who admitted to taking androstenedione, a steroid, received 12.3% of the votes in 2016, his final year on the ballot. Evan Petzold, USA TODAY, 28 Jan. 2022 Mark McGwire, who admitted to taking androstenedione, a steroid, received 12.3% of the votes in 2016, his final year on the ballot. Evan Petzold, USA TODAY, 28 Jan. 2022 Mark McGwire, who admitted to taking androstenedione, a steroid, received 12.3% of the votes in 2016, his final year on the ballot. Evan Petzold, USA TODAY, 28 Jan. 2022 Mark McGwire, who admitted to taking androstenedione, a steroid, received 12.3% of the votes in 2016, his final year on the ballot. Evan Petzold, USA TODAY, 28 Jan. 2022 See More Word History
Etymology
borrowed from German Androstendion, from Androsteron androsterone + -en -ene + -dion -dione ("a chemical compound containing two carbonyl groups," from di- + -one)
Note: The name was introduced by the Croatian-Swiss chemist Leopold Ružička (1887-1976) and the Swiss chemist Albert Wettstein (1907-74) in "Sexualhormone V. Künstliche Herstellung des männlichen Sexualhormons trans-Dehydro-androsteron und des Androsten-3,17-dions," Helvetica Chimica Acta, vol. 18, no. 1 (1935), pp. 986-94.
First Known Use
1935, in the meaning defined above
Medical Definition
androstenedione
noun
an·dro·stene·di·one ˌan-drə-ˌstēn-ˈdī-ˌōn -ˈstēn-dē-ˌōn
-ˈstēn-dē-ˌōn : a steroid sex hormone C19H26O2 that is secreted by the testes, ovaries, and adrenal cortex and is a precursor of testosterone and estrogen