We found 43 dictionaries that define the word estrogen:

General (22 matching dictionaries)

1. estrogen: Merriam-Webster
2. estrogen: Oxford Learner's Dictionaries
3. estrogen: American Heritage Dictionary of the English Language
4. estrogen: Collins English Dictionary
5. estrogen: Vocabulary.com
6. Estrogen, estrogen: Wordnik
7. estrogen: Cambridge Advanced Learner's Dictionary
8. estrogen: Wiktionary
9. estrogen: Webster's New World College Dictionary, 4th Ed.
10. estrogen: The Wordsmyth English Dictionary-Thesaurus
11. estrogen: Infoplease Dictionary
12. estrogen: Dictionary.com
13. estrogen: Online Etymology Dictionary
14. estrogen: Cambridge Essential American English Dictionary
15. Estrogen (medication), Estrogen: Wikipedia, the Free Encyclopedia
16. estrogen: Rhymezone
17. estrogen: FreeDictionary.org
18. estrogen: Mnemonic Dictionary
19. estrogen: TheFreeDictionary.com
20. estrogen: Longman Dictionary of Contemporary English

Computing (1 matching dictionary)

21. estrogen: Encyclopedia

Medicine (16 matching dictionaries)

22. estrogen: Merriam-Webster Medical Dictionary
23. Dorland's Illustrated Medical Dictionary (No longer online)
24. Estrogen: MedTerms.com Medical Dictionary
25. Breast Cancer Talking Dictionary (No longer online)
26. Cancer Glossary (No longer online)
27. estrogen: Prostate Cancer Interactive Glossary
28. (O)estrogen: Scleroderma
29. Multiple Sclerosis Encyclopaedia (No longer online)
30. Estrogen: Breast Cancer Glossary of Medical Terms
31. AIDS Medical Glossary and Drug Chart (No longer online)
32. estrogen: Dictionary of Cancer Terms
33. Glossary of HIV/AIDS Related Terms (No longer online)
34. estrogen: Medical dictionary
35. WeMove Glossary of Terms (No longer online)
36. Estrogen: Drug Medical Dictionary
37. Hyperdictionary (No longer online)

Science (1 matching dictionary)

38. Anthropology dictionary (No longer online)

Slang (1 matching dictionary)

39. Estrogen: Urban Dictionary

Tech (2 matching dictionaries)

40. Dairy Glossary (No longer online)
41. Washington State Definitions and Abbreviations of Vetrinary Terms (No longer online)

(Note: See estrogens as well.)

Definitions from Wiktionary ( ) ▸ noun:  (biochemistry, steroids) Any of a group of steroids that are secreted by the ovaries and function as female sex hormones. Similar: oestrogen, œstrogen, estro, oestradiol, estradiol, oestrone, oestriol, oestrin, estriol, phytoestrogen, more... Opposite: testosterone, androgen, male, hormone, masculinizing, hormone, anti-estrogen Types: estradiol, estriol, estrone, more... Phrases: Estrogen receptor, estrogen therapy, estrogen receptors, conjugated estrogen, estrogen antagonist, more... Adjectives: conjugated, synthetic, exogenous, unopposed, endogenous, oral, female, natural, low, more, equine Colors:     pink,     lavender,     mauve,     rose,     blush, more... ▸ Word origin ▸ Words similar to estrogen ▸ Usage examples for estrogen ▸ Idioms related to estrogen ▸ Wikipedia articles (New!) ▸ Popular adjectives describing estrogen ▸ Words that often appear near estrogen ▸ Rhymes of estrogen ▸ Invented words related to estrogen