Definition of mushrooming in English:

mushrooming

Pronunciation /ˈməSHˌro͞omiNG/ /ˈməʃˌrumɪŋ/ /ˈməSHˌro͝omiNG/ /ˈməʃˌrʊmɪŋ/

adjective

  • 1Rapidly growing, expanding, or developing.

    • ‘he has attacked what he describes as the culture of waste and mushrooming costs’
  • 2Forming or spreading into a shape resembling that of a mushroom.

    • ‘the pulverized meteorite or comet would be swept high into the stratosphere by the mushrooming fireball’

noun

  • 1Very rapid growth, expansion, or development.

    • ‘our main concern is the mushrooming of unregulated hand car wash businesses’
  • 2The activity of gathering mushrooms.

    • ‘mushrooming makes you see and appreciate the woodland differently’
  • 3The flattening and expansion of a bullet on impact.

    • ‘mushrooming effectively increases the bullet caliber when it is inside the target’