1. A numeral or string of numerals that is used for identification
   - number

Type of: positive identification

• Doctorow
• doctorspeak
• doctrinaire
• doctrinal
• doctrinally
• doctrine
• doctrine of analogy
• docudrama
• document
• documental
• documentary
• documentary film
• documentation
• documented
• docusoap
• DoD
• dodder
• dodderer
• doddering
• doddery
• doddle
• dodeca-
• dodecagon
• dodecahedron
• Dodecanese