estradiol

English

Chemical structure of estradiol

Alternative forms

• oestradiol (British spelling)

Etymology

Internationalism. From estratriene (“estra(triene)”) +‎ diol. By surface analysis, estra- +‎ di- +‎ -ol.

Pronunciation

• (General American) IPA^(key): /ˌɛs.tɹəˈdaɪˌɔl/, /ˌɛsˈtɹæd.iˌɔl/

• Audio (US):

  (file)

Noun

estradiol (countable and uncountable, plural estradiols, abbreviation E2) (American spelling)

1. (biochemistry) A natural estrogenic hormone that is a phenolic alcohol estra-1,3,5-triene-3,17-diol (C₁₈H₂₄O₂) secreted chiefly by the ovaries of all vertebrates, that is a major and the most potent of the naturally occurring estrogens; the semisynthetic esterified compound is used medicinally to treat estrogen deficiency and breast cancer.
   • 2021, Jane Y. Xu, Michelle A. O’Connell, Lauren Notini, Ada S. Cheung, Sav Zwickl, Ken C. Pang, “Selective Estrogen Receptor Modulators: A Potential Option For Non-Binary Gender-Affirming Hormonal Care?”, in Front Endocrinol, →DOI:

     Gender-affirming hormone therapy may involve testosterone for trans people assigned female at birth (AFAB) and estradiol and anti-androgens for trans people AMAB.

Derived terms

• cloxestradiol
• estradiol benzoate
• estradiol undecylate
• estradiol valerate
• estramustine
• estrapronicate
• ethinylestradiol
• fluorestradiol
• fluoroestradiol
• methylestradiol
• mifepristone
• quinestradol

Descendants

• → Japanese: エストラジオール

Translations

Translations

• Armenian: please add this translation if you can
• Chinese:

  Mandarin: 雌二醇 (cí'èrchún)

• Czech: estradiol m
• Finnish: estradioli
• French: oestradiol (fr), estradiol (fr)
• Georgian: please add this translation if you can
• German: Östradiol n
• Italian: estradiolo (it) m
• Japanese: エストラジオール (esutorajiōru)
• Polish: estradiol (pl) m
• Portuguese: estradiol m
• Russian: эстрадио́л (ru) m (estradiól)
• Serbo-Croatian: estradiol (sh) m
• Slovak: estradiol m
• Slovene: estradiol m
• Swedish: östradiol (sv)

Further reading

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

Anagrams

• idolaster, idolastre, idolaters, steroidal

Portuguese

Etymology

Internationalism. Compare English estradiol, French oestradiol.

Pronunciation

 

• (Brazil) IPA^(key): /is.tɾa.d͡ʒiˈɔw/ [is.tɾa.d͡ʒɪˈɔʊ̯], (faster pronunciation) /is.tɾaˈd͡ʒjɔw/ [is.tɾaˈd͡ʒjɔʊ̯], /es.tɾa.d͡ʒiˈɔw/ [es.tɾa.d͡ʒɪˈɔʊ̯], (faster pronunciation) /es.tɾaˈd͡ʒjɔw/ [es.tɾaˈd͡ʒjɔʊ̯]

• (Brazil) IPA^(key): /is.tɾa.d͡ʒiˈɔw/ [is.tɾa.d͡ʒɪˈɔʊ̯], (faster pronunciation) /is.tɾaˈd͡ʒjɔw/ [is.tɾaˈd͡ʒjɔʊ̯], /es.tɾa.d͡ʒiˈɔw/ [es.tɾa.d͡ʒɪˈɔʊ̯], (faster pronunciation) /es.tɾaˈd͡ʒjɔw/ [es.tɾaˈd͡ʒjɔʊ̯]
  • (Rio de Janeiro) IPA^(key): /iʃ.tɾa.d͡ʒiˈɔw/ [iʃ.tɾa.d͡ʒɪˈɔʊ̯], (faster pronunciation) /iʃ.tɾaˈd͡ʒjɔw/ [iʃ.tɾaˈd͡ʒjɔʊ̯], /eʃ.tɾa.d͡ʒiˈɔw/ [eʃ.tɾa.d͡ʒɪˈɔʊ̯], (faster pronunciation) /eʃ.tɾaˈd͡ʒjɔw/ [eʃ.tɾaˈd͡ʒjɔʊ̯]
  • (Southern Brazil) IPA^(key): /es.tɾa.d͡ʒiˈɔw/ [es.tɾa.d͡ʒɪˈɔʊ̯], (faster pronunciation) /es.tɾaˈd͡ʒjɔw/ [es.tɾaˈd͡ʒjɔʊ̯]

 

• (Portugal) IPA^(key): /(i)ʃ.tɾɐˈdjɔl/ [(i)ʃ.tɾɐˈðjɔɫ]

• (Portugal) IPA^(key): /(i)ʃ.tɾɐˈdjɔl/ [(i)ʃ.tɾɐˈðjɔɫ]
  • (Southern Portugal) IPA^(key): /(i)ʃ.tɾɐˈdjɔ.li/ [(i)ʃ.tɾɐˈðjɔ.li]

• Hyphenation: es‧tra‧di‧ol

Noun

estradiol m (plural estradióis)

1. (biochemistry) estradiol

Further reading

• “estradiol”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “estradiol”, in Dicionário infopédia da Lingua Portuguesa (in Portuguese), Porto: Porto Editora, 2003–2026
• “estradiol”, in Michaelis Dicionário Brasileiro da Língua Portuguesa (in Portuguese), São Paulo: Editora Melhoramentos, 2015–2026, →ISBN
• “estradiol”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Romanian

Etymology

Internationalism. Borrowed from French oestradiol.

Noun

estradiol m (plural estradioli)

1. (biochemistry) estradiol

Declension

	singular		plural
	indefinite	definite	indefinite	definite
nominative-accusative	estradiol	estradiolul	estradioli	estradiolii
genitive-dative	estradiol	estradiolului	estradioli	estradiolilor
vocative	estradiolule		estradiolilor

Spanish

Etymology

Internationalism. Compare English estradiol, French oestradiol.

Pronunciation

• IPA^(key): /estɾaˈdjol/ [es.t̪ɾaˈð̞jol]
• Rhymes: -ol
• Syllabification: es‧tra‧diol

Noun

estradiol m (plural estradioles)

1. (biochemistry) estradiol