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Wordswarms From Years Past


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Adjacent Words

Protested
Protester
Protesting
Protestingly
protestor
Proteus
Proteus anguinus
prothalamion
prothalamium
Prothalli
Prothallia
prothallium
Prothesis
prothetic
prothonotarial
Prothonotariship
Prothonotary
prothonotary apostolic
prothonotary warbler
Prothonotaryship
prothoracic
prothoracic gland
prothorax
prothrombin

prothallus definitions

Merriam Webster's

noun Etymology: New Latin Date: 1854 1. the gametophyte of a pteridophyte (as a fern) that is typically a small flat green thallus attached to the soil by rhizoids 2. a greatly reduced structure of a seed plant corresponding to the pteridophyte prothallus

Oxford Reference Dictionary

n. (pl. prothalli) Bot. the gametophyte of certain plants, esp. a fern. Etymology: mod.L f. PRO-(2) + Gk thallos green shoot

Webster's 1913 Dictionary

Prothallus Pro*thal"lus, n.; pl. Prothalli. [NL., fr. Gr. ? before + ? a young shoot.] (Bot.) The minute primary growth from the spore of ferns and other Pteridophyta, which bears the true sexual organs; the o["o]phoric generation of ferns, etc.




 


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