What does "estriol" mean?

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 is a synonym for "estriol"?

Common synonyms include: oestriol, theelol.

How do you pronounce "estriol"?

Pronounced //ˈɛˌstɹaɪˌɔl//.

Estriol

//ˈɛˌstɹaɪˌɔl// noun

noun ·Rare ·Advanced level

Definitions

Noun

1
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. US, countable, uncountable
2
a naturally occurring estrogenic hormone; a synthetic form is used to treat estrogen deficiency wordnet

Synonyms

All synonyms

oestriol theelol

Etymology

Blend of estratriene + triol.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.