nemathecium

[nem-uh-thee-shee-uh m, -see-uh m]

noun, plural nem·a·the·ci·a

[nem-uh-thee-shee-uh, -see-uh] /ˌnɛm əˈθi ʃi ə, -si ə/.

a wartlike protuberance on the thallus of certain red algae, containing tetraspores, antheridia, or cystocarps.

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Origin of nemathecium

1820–30; < New Latin, irregular < Greek nêma thread + thēkíon thecium

Related formsnem·a·the·cial

[nem-uh-thee-shuh l, -shee-uh l, -see-] /ˌnɛm əˈθi ʃəl, -ʃi əl, -si-/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018