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We found 34 dictionaries with English definitions that include the word progenitor:
Click on the first link on a line below to go directly to a page where "progenitor" is defined.

General (28 matching dictionaries)

1. progenitor: Merriam-Webster.com [home, info]
2. progenitor: Oxford Dictionaries [home, info]
3. progenitor: American Heritage Dictionary of the English Language [home, info]
4. progenitor: Collins English Dictionary [home, info]
5. progenitor: Vocabulary.com [home, info]
6. progenitor: Macmillan Dictionary [home, info]
7. Progenitor, progenitor: Wordnik [home, info]
8. progenitor: Cambridge Advanced Learner's Dictionary [home, info]
9. progenitor: Wiktionary [home, info]
10. progenitor: Webster's New World College Dictionary, 4th Ed. [home, info]
11. progenitor: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. progenitor: Infoplease Dictionary [home, info]
13. progenitor: Dictionary.com [home, info]
14. progenitor: Online Etymology Dictionary [home, info]
15. progenitor: UltraLingua English Dictionary [home, info]
16. Progenitor: Wikipedia, the Free Encyclopedia [home, info]
17. Progenitor: Online Plain Text English Dictionary [home, info]
18. progenitor: Webster's Revised Unabridged, 1913 Edition [home, info]
19. progenitor: Rhymezone [home, info]
20. Progenitor: AllWords.com Multi-Lingual Dictionary [home, info]
21. progenitor: Webster's 1828 Dictionary [home, info]
22. progenitor: Free Dictionary [home, info]
23. progenitor: Mnemonic Dictionary [home, info]
24. progenitor: WordNet 1.7 Vocabulary Helper [home, info]
25. progenitor: LookWAYup Translating Dictionary/Thesaurus [home, info]
26. progenitor: Dictionary/thesaurus [home, info]

Business (1 matching dictionary)

27. progenitor: Legal dictionary [home, info]

Computing (1 matching dictionary)

28. progenitor: Encyclopedia [home, info]

Medicine (2 matching dictionaries)

29. progenitor: online medical dictionary [home, info]
30. progenitor: Medical dictionary [home, info]

Miscellaneous (2 matching dictionaries)

31. PROGENITOR, PROGENITOR, PROGENITOR: Terminology and Descriptions of Geneaological Words [home, info]
32. progenitor: A Word A Day [home, info]

(Note: See progenitors for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (progenitor) ▸ noun:  an ancestor in the direct line ▸ Also see progenitors ▸ Word origin ▸ Words similar to progenitor ▸ Usage examples for progenitor ▸ Popular adjectives describing progenitor ▸ Words that often appear near progenitor ▸ Rhymes of progenitor ▸ Invented words related to progenitor