[ ahy-sid-ee-uh m ]
/ aɪˈsɪd i əm /

noun, plural i·sid·i·a [ahy-sid-ee-uh] /aɪˈsɪd i ə/. Botany.

a coralloid outgrowth from the thallus in certain lichens.

Nearby words

  1. ishvara,
  2. isiac,
  3. isiacal,
  4. isidia,
  5. isidioid,
  6. isidor,
  7. isidora,
  8. isidore,
  9. isidore of seville,
  10. isidore of seville, saint

Origin of isidium

1865–70; < New Latin, derivative of Isid- (stem of Isis) Isis (from the hornlike appearance of the growth); see -ium Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019