Word.ws English Dictionary

prothallium

prothallium noun: a plant, usually a pteridophyte, in gametophyte stage in the metagenesis cycle.

Noun

prothallium (plural prothallia)

  1. A plant, usually a pteridophyte, in gametophyte stage in the metagenesis cycle.
  2. The young gametophyte of a liverwort or peat moss.

Synonyms of prothallium

Forms of prothallium

pluralprothallia

Origin of prothallium

From Latin pro (“forwards”) + Ancient Greek θᾰλλός (thăllós, “young branch, twig”).

Questions about prothallium

What does prothallium mean?
Prothallium means a plant, usually a pteridophyte, in gametophyte stage in the metagenesis cycle.
What part of speech is prothallium?
Prothallium is a noun.
What is the plural of prothallium?
The plural of prothallium is prothallia.

Words near prothallium in the dictionary

  1. prothalli
  2. prothallia
  3. prothallial
  4. prothalliform
  5. prothalline
  6. prothallium
  7. prothallus
  8. prothalluses
  9. prothema
  10. prothemata
  11. protheobromine

Source and license

Adapted from Wiktionary: prothallium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “prothallium.” Word.ws, https://word.ws/prothallium. Based on Wiktionary, CC BY-SA 4.0.