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Definition of "mycelium" [‖My•ce•li•um]

  • The vegetative part of a fungus, consisting of a mass of branching, threadlike hyphae. (noun)
  • A similar mass of fibers formed by certain bacteria. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "mycelium" in a sentence
  • "We have now discovered that there is a multi-directional transfer of nutrients between plants, mitigated by the mcyelium -- so the mycelium is the mother that is giving nutrients from alder and birch trees to hemlocks, cedars and Douglas firs."
  • "The mycelium is the fibrous underground network of the mushroom."
  • "The mycelium is the most important part of the fungous growth."