Definition of "mushroomed" []

• Simple past tense and past participle of mushroom. (verb)

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• "She was known to have a say in the promotion of senior officials, and liked to be called "Hanem," or "Madam," as institutions and schools carrying her name mushroomed in recent years."
• "She was known to have a say in the promotion of senior officials and liked to be called Hanem, or Madam, as institutions and schools carrying her name mushroomed in recent years."
• "Located in the lush and beautiful Clinch River Valley of eastern Tennessee, it "mushroomed" into a government "reservation" of 75,000 people living and working in the middle of nowhere so research and production of the atomic bomb could be hidden from the enemy fascists of Germany."