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prothallus

Pronunciation: /prəʊˈθaləs/
Definition of prothallus

noun (plural prothalli /-lʌɪ, -liː/)

Botany
  • the gametophyte of ferns and related plants.

Derivatives

prothallial

adjective

Origin:

mid 19th century: modern Latin, from pro-2 'before, earlier' + Greek thallos 'green shoot'

prothallus in other Oxford dictionaries

Definition of prothallus in the US English dictionary

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