Definitions

1. noun

A vegetative part of a fungus, typically consisting of a mass of branching, interconnected hyphae.

“The mycelium beneath the tree’s roots helped break down the organic matter in the soil.”

2. noun

A large, complex network of fungal hyphae, often forming a symbiotic relationship with the roots of plants.

“The researchers studied the extensive mycelium that connected the fungal network beneath the forest floor.”

3. noun

A mass of fungal tissue, especially when growing in or on a substrate.

“The mycelium grew rapidly on the decaying wood, breaking it down into nutrient-rich humus.”