UPS

UPS (countable and uncountable, plural UPSes)

1. (electronics) Initialism of uninterruptible power supply/source
2. Initialism of ultraviolet photoelectron spectroscopy.
3. (biochemistry) Initialism of ubiquitin-proteasome system.

• XPS

UPS (third-person singular simple present UPSes, present participle UPSing, simple past and past participle UPSed)

1. (electronics, nonstandard) To connect a device to an uninterruptible power supply

   If you don't want to lose all your data when the power goes out, you should UPS your computer.

UPS

1. Initialism of United Parcel Service.

• 'sup, PSU, PUS, PUs, SUP, Sup., USP, psu, pus, sup, sup.