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REFERENCE

fungus

n.
US //ˈfəŋɡəs// UK //fˈʌŋɡəs// fun·gus
  1. 1 biological organism (n.)
    B2 Upper Intermediate Science

    a type of living thing like a mushroom or yeast that grows on plants, animals, or old food.

    any member of the kingdom Fungi, characterized by chitin cell walls and a lack of chlorophyll; includes both unicellular and multicellular organisms.

    Example

    The damp wood in the garden was covered in a strange orange fungus.

    Example

    Biologists discovered a rare species of fungus that thrives in the extreme conditions of the rainforest floor, breaking down organic matter with remarkable speed.

    Pitfall
    There were many funguses on the tree.
    There were many fungi on the tree.

    While 'funguses' is technically correct, the Latin plural 'fungi' is much more common in both scientific and everyday English.

  2. 2 medical growth (n.)
    C2 Proficiency Archaic Technical Medicine

    a soft, spongy growth that sometimes forms on a wound or skin.

    a spongy, abnormal excrescence, such as excessive granulation tissue formed during the healing of a wound.

    Example

    The old medical book described a fungus growing over the patient's injury.

    Example

    The surgeon noted the presence of a morbid fungus around the edges of the incision, a term used in nineteenth-century texts to describe proud flesh.

Origin

Borrowed from Latin fungus (“mushroom”).

Word family

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