Simple past tense and past participle of expand.(verb)
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Use "expanded" in a sentence
"Tin Pan Alley first referred to NYC's 28th Street, home of a number of song publishers, but the term expanded to cover any places where songwriters toiled to produce tomorrow's hits."
"Some residents told the committee the fact that Curtatone initiated the charter revision process was suspicious given the committee's recommendation that the mayor's powers be expanded and the term expanded from two to four years."
""It's what she calls expanded cinema," Ms. Breitwieser said."