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  • fungi
    fungi
    plural noun
    a plural of fungus.
  • Fungi
    Fungi
    noun
    a taxonomic kingdom, or in some classification schemes a division of the kingdom Plantae, comprising all the fungus groups and sometimes also the slime molds.
  • fungi-
    fungi-
    a combining form representing fungus in compound words.

fungi

1 American  
[fuhn-jahy, fuhng-gahy] / ˈfʌn dʒaɪ, ˈfʌŋ gaɪ /

plural noun

  1. a plural of fungus.


Fungi 2 American  
[fuhn-jahy, fuhng-gahy] / ˈfʌn dʒaɪ, ˈfʌŋ gaɪ /

noun

(used with a plural verb)
  1. a taxonomic kingdom, or in some classification schemes a division of the kingdom Plantae, comprising all the fungus groups and sometimes also the slime molds.


fungi- 3 American  
  1. a combining form representing fungus in compound words.

    fungicide.


fungi- 1 British  

combining form

  1. fungus

    fungicide

    fungoid

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

fungi 2 British  
/ ˈfʌndʒaɪ, ˈfʌndʒɪ, ˈfʌŋɡaɪ /

noun

  1. a plural of fungus

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

fungi Cultural  
  1. sing. fungus Plantlike organisms lacking chlorophyll, such as mushrooms, molds, yeasts, and mildews. Modern biologists tend to place fungi in their own kingdom, not in the plant kingdom, because they get their nutrients from other living things (or from the remains of living things that have died) rather than from photosynthesis. (See under “Medicine and Health.”)


Usage

What does fungi- mean? The combining form fungi- is used like a prefix meaning “fungus.” It is occasionally used in scientific terms, especially in biology. The form fungi- comes from Latin fungus, meaning “fungus.” It is possible that fungus is related to Greek spóngos, meaning "sponge," by way of a long-lost substrate language of the Mediterranean. What are variants of fungi-?When combined with words or word elements that begin with a vowel, fungi- becomes fung-, as in fungemia.

Etymology

Origin of Fungi

From New Latin; see origin at fungus

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Researchers have identified potential alternatives — including seaweed, cassava waste, single-cell proteins produced by fungi and even sewage.

From Los Angeles Times ● Oct. 9, 2026

Humans, other animals, plants, fungi, and protists all belong to this broad category.

From Science Daily ● Oct. 8, 2026

She said fungi were mostly a sign of a healthy ecosystem, helping to break down organic matter and support plant health.

From BBC ● Oct. 8, 2026

Vitamin D2, also called ergocalciferol, is commonly produced from fungi or yeast exposed to ultraviolet light.

From Science Daily ● Oct. 8, 2026

These foragers talked about the plants and animals and fungi they had seen and met.

From "The Omnivore's Dilemma" by Michael Pollan

Fungi and bacteria may spread unnoticed while reshaping the balance of life in forests.

From Science Daily ● Apr. 24, 2026

This September, I dove into the universe of mycotourism myself at All Things Fungi, a celebration of mushrooms that’s been compared to the renowned Glastonbury music festival.

From The Wall Street Journal ● Oct. 16, 2025

Weil appeared on Fungi Perfecti promotional materials for mycelium products holding large mushrooms on a 2016 poster.

From Los Angeles Times ● Jun. 18, 2025

“If this pledge is adopted by the CBD, it will introduce a new opportunity for decision-making, a new way of seeing,” Giuliana Furci, the Chilean-British chief executive of the Fungi Foundation, told The Guardian.

From Salon ● Oct. 18, 2024

“She’s just never got over you outperforming her in Potions,” said Ron, returning to his copy of One Thousand Magical Herbs and Fungi.

From "Harry Potter and the Half-Blood Prince" by J.K. Rowling

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