We found 16 dictionaries that define the word proestrus:

General (8 matching dictionaries)

1. proestrus: Merriam-Webster
2. proestrus: American Heritage Dictionary of the English Language
3. proestrus: Collins English Dictionary
4. proestrus: Wiktionary
5. proestrus: Webster's New World College Dictionary, 4th Ed.
6. proestrus: Infoplease Dictionary
7. proestrus: Dictionary.com
8. proestrus: TheFreeDictionary.com

Computing (1 matching dictionary)

9. proestrus: Encyclopedia

Medicine (5 matching dictionaries)

10. proestrus: Merriam-Webster Medical Dictionary
11. Dorland's Illustrated Medical Dictionary (No longer online)
12. Medical Dictionary (No longer online)
13. online medical dictionary (No longer online)
14. proestrus: Medical dictionary

Science (1 matching dictionary)

15. Agricultural Thesaurus and Glossary (No longer online)

Tech (1 matching dictionary)

16. Washington State Definitions and Abbreviations of Vetrinary Terms (No longer online)

Definitions from Wiktionary (proestrus) ▸ noun:  A phase of the oestrus cycle, prior to sexual receptivity, during which one or more follicles of the ovary begin to grow. Similar: perioestrus, preovulation, pregrowth, periovulation, luteal phase, embryo, preprophase, prephase, ovulatory period, proceptivity, more... Opposite: anestrus, diestrus, metestrus ▸ Words similar to proestrus ▸ Usage examples for proestrus ▸ Idioms related to proestrus ▸ Wikipedia articles (New!) ▸ Popular adjectives describing proestrus ▸ Words that often appear near proestrus ▸ Rhymes of proestrus ▸ Invented words related to proestrus