We found 18 dictionaries that define the word Protonema:

General (14 matching dictionaries)

1. protonema: Merriam-Webster
2. protonema: American Heritage Dictionary of the English Language
3. protonema: Collins English Dictionary
4. protonema: Wordnik
5. protonema: Wiktionary
6. protonema: Webster's New World College Dictionary, 4th Ed.
7. protonema: Infoplease Dictionary
8. protonema: Dictionary.com
9. Protonema: Wikipedia, the Free Encyclopedia
10. Protonema: Online Plain Text English Dictionary
11. protonema: Webster's Revised Unabridged, 1913 Edition
12. Protonema: AllWords.com Multi-Lingual Dictionary
13. protonema: FreeDictionary.org
14. protonema: TheFreeDictionary.com

Computing (1 matching dictionary)

15. protonema: Encyclopedia

Medicine (1 matching dictionary)

16. online medical dictionary (No longer online)

Science (2 matching dictionaries)

17. Botanical Terms (No longer online)
18. Bryological (No longer online)

(Note: See protonemal as well.)

Definitions from Wiktionary (protonema) ▸ noun:  (botany) A filament of cells that forms following the germination of the spores of mosses and liverworts Similar: proembryo, prothallium, gametophore, sporidium, germosporangium, sporophyll, spermogonium, protospore, protophyll, nemathecium, more... Opposite: antheridia, archegonia, sporophyte Types: filamentous, plumose, foliose, lacunose, dendroid, crisped, more... Adjectives: filamentous, primary, secondary, like, persistent, green, thalloid, new, celled, diploid, developed ▸ Words similar to Protonema ▸ Usage examples for Protonema ▸ Idioms related to Protonema ▸ Wikipedia articles (New!) ▸ Popular adjectives describing Protonema ▸ Words that often appear near Protonema ▸ Rhymes of Protonema ▸ Invented words related to Protonema