Word.ws English Dictionary

E2

E2 is the abbreviation of estradiol.

Meaning of estradiol

Noun

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

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

Questions about E2

What is E2 the abbreviation of?
E2 is the abbreviation of estradiol.

Words near E2 in the dictionary

  1. E1
  2. E10
  3. E100
  4. E15
  5. E1L
  6. E2
  7. E2E
  8. E2EE
  9. e2f
  10. E3
  11. E4M

Source and license

Adapted from Wiktionary: E2 (page history and authors); estradiol (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “E2.” Word.ws, https://word.ws/e2. Based on Wiktionary, CC BY-SA 4.0.