CD3

CD3 or CD-3 may refer to:

• CD3, or 2020 CD3, a small minimoon of Earth
• CD3 (immunology), an antigen, cluster of differentiation protein (immunology), part of the T cell receptor (TCR) complex on a mature T lymphocyte
• Cost of delay (CD3 Prioritisation), an approach for scheduling work through a scarce resource that maximises Return on Investment. (CD3 = CDx3 from Cost of Delay Divided by Duration).
• Ford CD3 platform
• MediaMax CD-3, copy protection scheme
• MiniCD, a 3-inch CD
  • 3-inch CD single
• Color Developing Agent 3, the color developer for E-6 process and VNF-1 process.