D4
The abbreviation D4 stands for:
- Short form for the 4th documenta , world exhibition of contemporary art 1968 in Kassel
- a long-distance cycle route of the D-route network , the Mittelland-Route (D4) from Aachen to Zittau
- a New Zealand rock band, see The D4
- a calculator from NJ Lehmann, see D4a
- Nationality mark for aircraft from Cape Verde
- a chemical compound, see octamethylcyclotetrasiloxane
- a Slovak motorway, see D4 (Slovakia)
- a Czech motorway, see Dálnice 4
- a German emission standard
- a paper format according to DIN 476 / ISO 216 of 192 × 272 mm
- an industrial park in Root LU , see D4 (Root)
- a digital SLR camera from the Japanese company Nikon, see Nikon D4
- a van from the manufacturer Peugeot, see Peugeot D4
