Definition of all–in–one
1 : 2corselet
2 : a machine that is able to perform the functions usually performed by two or more separate machines (such as a printer and a scanner) … all-in-ones are often priced on par with or below single-function printers, and consumers feel they're getting more for their money. — Jefferson Graham, USA Today, 19 Dec. 2007
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First Known Use of all–in–one
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