mushroom

/'mʌʃrum/
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mushroom

A child picks a red mushroom in a sun-dappled forest.

Definition

  1. Noun:

    • A fleshy, spore-bearing fruiting body of a fungus: A mushroom is the visible part of certain fungi, typically consisting of a stem (stipe) and a cap (pileus), which can be edible or poisonous.
    • A mushroom cloud: A large, rapidly rising cloud of debris, dust, and vapor, typically shaped like a mushroom, resulting from a powerful explosion, especially a nuclear detonation.
    • Any of various fungi of the subdivision Basidiomycota: This scientific classification includes many common mushrooms, characterized by gills or pores under the cap.

  2. Verb:

    • To grow or spread rapidly and extensively: To increase or expand quickly in size, number, or scope, often in an uncontrolled manner.
    • To pick or gather mushrooms: To forage for wild mushrooms in their natural habitat.
Examples of Usage

  • Noun:

    • She added fresh mushrooms to the pasta sauce. (She added fresh fungi to the pasta sauce.)
    • The atomic bomb test produced a terrifying mushroom cloud. (The atomic bomb test produced a terrifying cloud shaped like a mushroom.)
    • Many mushrooms are delicious, but some are deadly. (Many fungi are delicious, but some are deadly.)

  • Verb:

    • The city's population mushroomed in the last decade. (The city's population grew rapidly in the last decade.)
    • They go mushrooming in the forest every autumn. (They go to pick mushrooms in the forest every autumn.)
Advanced Usage
  • "to mushroom into something": to develop or expand rapidly into something larger or more significant.
    • A small protest mushroomed into a nationwide movement. (A small protest rapidly grew into a nationwide movement.)
Variants and Related Words
  • Mushrooming (adj/gerund): The act of gathering mushrooms or the process of rapid expansion.
    • The mushrooming suburbs required new schools. (The rapidly expanding suburbs required new schools.)
  • Mushroom cloud (noun phrase): The distinctive cloud from a large explosion.
  • Toadstool (noun): A common, often unscientific, name for an inedible or poisonous mushroom.
Synonyms
  • Noun (fungus): fungus, agaric, morel, puffball.
  • Verb (grow rapidly): explode, boom, burgeon, proliferate, snowball.
  • Verb (gather): forage, pick, collect.
Related Phrases (Phrasal Verbs)
  • Mushroom out: To expand or spread outwards in a rounded shape.
    • The smoke mushroomed out from the chimney. (The smoke spread out in a rounded shape from the chimney.)
Related Idioms
  • Spring up like mushrooms: To appear suddenly and in large numbers.
    • New coffee shops are springing up like mushrooms all over town. (New coffee shops are appearing suddenly and in large numbers all over town.)
mushroom

A child picks a red mushroom in a sun-dappled forest.

Noun
  1. fleshy body of any of numerous edible fungi
  2. a large cloud of rubble and dust shaped like a mushroom and rising into the sky after an explosion (especially of a nuclear bomb)
  3. any of various fleshy fungi of the subdivision Basidiomycota consisting of a cap at the end of a stem arising from an underground mycelium
  4. mushrooms and related fleshy fungi (including toadstools, puffballs, morels, coral fungi, etc.)
  5. common name for an edible agaric (contrasting with the inedible toadstool)
Verb
  1. grow and spread fast
    • The problem mushroomed
  2. pick or gather mushrooms
    • We went mushrooming in the Fall

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