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isidium

American  
[ahy-sid-ee-uhm] / aɪˈsɪd i əm /

noun

Botany.
isidia plural
  1. a coralloid outgrowth from the thallus in certain lichens.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of isidium

1865–70; < New Latin, derivative of Isid- (stem of Isis ) Isis (from the hornlike appearance of the growth); see -ium

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