androstenedione

From androstene +‎ dione.

• (Received Pronunciation) IPA^(key): /ˌan.dɹɒ.stiːnˈdʌɪ.əʊn/
• (General American) IPA^(key): /ˌæn.dɹəˌstinˈdaɪˌoʊn/

androstenedione (countable and uncountable, plural androstenediones)

1. (biochemistry, steroids) 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.

• “androstenedione”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “androstenedione”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.