estrogen
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.”
How to use estrogen
Learner’s notesIn plain EnglishA key female sex hormone, produced mainly by the ovaries.
Spelled "oestrogen" in British English, "estrogen" in American English.
Word forms
estrogens plural
Fill the gap
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_____ 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."
Synonyms
View more →Rhymes for estrogen
See all rhymes for estrogen →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.