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Word of the Day Tuesday, June 9, 2026

mycelium

/maɪˈsɛliəm/ noun · British & US
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What does mycelium mean?

noun

A mass of fine white filaments that make up the vegetative part of a fungus, consisting of branching hyphae. The vegetative part of a fungus, especially one that grows underground.

Example

"The mycelium of the mushroom broke down the organic matter in the soil."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for mycelium

Rhymes with mycelium

Etymologically related