Operated, or activated by placing coins in a slot(adjective)
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Use "coin-operated" in a sentence
"He is working on the sale of a coin-operated laundry for $320,000, which would bring home a $15,000 commission."
"Cigarette machines, candy machines, and coin-operated washers and dryers could all bring easy profits, especially if competition was limited."
"I know I blathered about my travel troubles, remember us laughing about coin-operated internet, but I have to confess I was probably a bit ... distracted, watching the rest of the audience file in."