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rhizome vs. rhizoid

[rahy-zohm] / ˈraɪ zoʊm /

noun

Botany.
  1. a rootlike subterranean stem, commonly horizontal in position, that usually produces roots below and sends up shoots progressively from the upper surface.

[rahy-zoid] / ˈraɪ zɔɪd /

adjective

  1. rootlike.

noun

  1. (in mosses, ferns, etc.) one of the rootlike filaments by which the plant is attached to the substratum.