Noun
all-in-one (plural all-in-ones)
- A multifunction device, especially a printer that also works as a scanner and fax machine.
- (computing) A desktop computer having all major components, including the display, built into a single unit.
- Synonym: (initialism) AIO
- (childcare) Clipping of all-in-one diaper.
2008, Daniel Allen, Cheryl Benn, Sue Pullon, Margot Schwass, The New Zealand Pregnancy Book, Bridget Williams Books, →ISBN, page 173:In both the all-in-ones and the pocket styles, the lining is sewn at the edges to the waterproof outer cover, with the seam covered in a soft but robust border fabric so it fits snugly against the baby's legs and middle.
2015, Jennifer Margulis, Your Baby, Your Way: Taking Charge of Your Pregnancy, Childbirth, and Parenting Decisions for a Happier, Healthier Family, Simon & Schuster, →ISBN, page 255:A cloth diaper attached to its waterproof cover, an all-in-one is like a washable disposable diaper, combining the convenience of plastic diapers with the reuse and environmental superiority of cloth.
2019 September 27, Alicia Betz, “Cloth diapers are an eco-friendly alternative to traditional diapers - here's how to use them and what you need to buy”, in Business Insider India:Pocket diapers are my favorite because they're a little easier to use than fitteds, flats, and prefolds, and they're cheaper than all-in-twos and all-in-ones.
Adjective
all-in-one (not comparable)
- Combining two or more items or features in one unit.
2021 December 29, “Network News: LNER launches King's Cross-Middlesbrough direct service”, in RAIL, number 947, page 12:To coincide with the launch, LNER has introduced fixed-price all-in-one return fares for two adults and up to four children, priced at £129 between London, Thornaby and London.