CIS

Initialisms.

CIS (plural CISes)

1. Initialism of contact image sensor.
   • 1998, PC Mag, volume 17, number 18, page 179:

     Because of its tabloid-size scanbed, the Plug-n-Scan has a large footprint that makes it very stable. On the other hand, being a CIS scanner, it's light and has a very low profile and is designed so that the scanner can be stood upright on its end and still function.

2. (medicine, software) Initialism of clinical information system.

   Coordinate terms: HIS, RIS, PACS, DICOM, HL7, EHR, EMR

3. Initialism of clinically isolated syndrome.

CIS

1. Initialism of Commonwealth of Independent States.
2. (UK, business) Initialism of Construction Industry Scheme.
3. (Canada, sports, historical) Initialism of Canadian Interuniversity Sport.
4. (Philippines, motor racing) Initialism of Clark International Speedway.

Likely originates from the false etymology asserting that cis is an initialism standing for comfortable in skin.

CIS (not comparable)

2. (proscribed) Alternative letter-case form of cis (“cisgender”).

• CIS on Wikipedia.Wikipedia

• -ics, CSI, ICS, ICs, I²Cs, SCI, SIC, Sci., sci, sci., sic