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noun Uncommon

estrogen

EEST-ruhd-zhuhn
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Estrogen (noun) means a hormone produced mainly in the ovaries that regulates the female reproductive system and secondary sex characteristics. Example: “Estrogen levels fluctuate throughout the menstrual cycle.”

noun
1
A hormone produced mainly in the ovaries that regulates the female reproductive system and secondary sex characteristics.
"Estrogen levels fluctuate throughout the menstrual cycle."

How to use estrogen

Learner’s notes

In plain EnglishA key female sex hormone, produced mainly by the ovaries.

UK vs US

Spelled "oestrogen" in British English, "estrogen" in American English.

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Word forms

Plural
estrogens
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Fill the gap

Can you complete this real example?

_____ levels fluctuate throughout the menstrual cycle.

Etymology

Built from Greek oistros ("frenzy," root of "estrus") plus the suffix "-gen," meaning "producer of" — so literally, "the thing that produces estrus."

Origin: Greek

Antonyms

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Rhymes for estrogen

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Frequently asked questions

What does “estrogen” mean?
The word “estrogen” means a hormone produced mainly in the ovaries that regulates the female reproductive system and secondary sex characteristics. In plain terms, a key female sex hormone, produced mainly by the ovaries.
How do you pronounce “estrogen”?
“Estrogen” is pronounced EEST-ruhd-zhuhn (/ˈɛstɹəd͡ʒən/ in IPA).
How do you use “estrogen” in a sentence?
Here is “estrogen” used in a sentence: “Estrogen levels fluctuate throughout the menstrual cycle.”
What part of speech is “estrogen”?
“Estrogen” is a noun.
Where does the word “estrogen” come from?
The word “estrogen” comes from Greek. Built from Greek oistros ("frenzy," root of "estrus") plus the suffix "-gen," meaning "producer of" — so literally, "the thing that produces estrus.".
Is “estrogen” a common word?
“Estrogen” is an uncommon word in modern English.

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