Definition of mycelium in English:


nounplural noun mycelia/-lēə/

  • The vegetative part of a fungus, consisting of a network of fine white filaments (hyphae).

    ‘One to five weeks after the grass seeds germinate, the mycelium, or vegetative filaments of the fungus, migrate to the lower part of the stem.’
    • ‘Once excreted, the fungal mycelium [the mass of hyphae emanating from the fungus] grows into tiny spheres, about the size of a small pinhead.’
    • ‘The primary function of the fungal mycelium is absorption of nutrients from the soil, and the translocation of these materials to the host.’
    • ‘Fungal mycelia are capable of rapid and comprehensive exploration and colonization of nutrient patches.’
    • ‘Toxins occur in both the mycelium and spores of fungi.’



/mīˈsēlēəm/ /maɪˈsiliəm/


Mid 19th century modern Latin, from Greek mukēs ‘fungus’, on the pattern of epithelium.