estriol
/ˈɛˌstɹaɪˌɔl/
estriol noun: a relatively weak natural estrogenic hormone that is a glycol C₁₈H₂₄O₃ found in the body chiefly as a metabolite of estradiol, is the main estrogen secreted by the placenta during pregnancy, and is the estrogen typically found in the urine of pregnant women.
Noun
estriol (countable and uncountable, plural estriols)
- A relatively weak natural estrogenic hormone that is a glycol C₁₈H₂₄O₃ found in the body chiefly as a metabolite of estradiol, is the main estrogen secreted by the placenta during pregnancy, and is the estrogen typically found in the urine of pregnant women.
- Synonyms:
- theelol
Synonyms of estriol
Forms of estriol
| plural | estriols |
|---|---|
| alternative UK | oestriol |
Origin of estriol
Blend of estratriene + triol.
Words formed from estriol
Questions about estriol
- What does estriol mean?
- Estriol means a relatively weak natural estrogenic hormone that is a glycol C₁₈H₂₄O₃ found in the body chiefly as a metabolite of estradiol, is the main estrogen secreted by the placenta during pregnancy, and is the estrogen typically found in the urine of pregnant women.
- What part of speech is estriol?
- Estriol is a noun.
- How do you pronounce estriol?
- Estriol is pronounced /ˈɛˌstɹaɪˌɔl/ (US).
- What is the plural of estriol?
- The plural of estriol is estriols.
Words near estriol in the dictionary
Source and license
Adapted from Wiktionary: estriol (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.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-estriol.wav.
Cite this entry: “estriol.” Word.ws, https://word.ws/estriol. Based on Wiktionary, CC BY-SA 4.0.