CD3 or CD-3 may refer to:
* CD3, or
2020 CD3
(also 2020CD3 or CD3 for short) is a tiny near-Earth asteroid (or minimoon) that ordinarily orbits the Sun but makes close approaches to the Earth–Moon system, in which it can temporarily enter Earth orbit through temporary satellite captu ...
, a small
minimoon of Earth
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CD3 (immunology)
CD3 (cluster of differentiation 3) is a protein complex and T cell co-receptor that is involved in activating both the cytotoxic T cell (CD8+ naive T cells) and T helper cells (CD4+ naive T cells). It is composed of four distinct chains. I ...
, an antigen, cluster of differentiation protein (immunology), part of the T cell receptor (TCR) complex on a mature T lymphocyte
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Cost of delay (CD3 Prioritisation), an approach for scheduling work through a scarce resource that maximises
Return on Investment
Return on investment (ROI) or return on costs (ROC) is a ratio between net income (over a period) and investment (costs resulting from an investment of some resources at a point in time). A high ROI means the investment's gains compare favourably ...
. (CD3 = CDx3 from Cost of Delay Divided by Duration).
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Ford CD3 platform
The Ford CD3 platform (for " C/D-class") is a Ford midsize car automobile platform. It was designed by Mazda. The platform is designed for either front, all-wheel drive or Ford's hybrid powertrain.
The platform is based on a unitized welded ste ...
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MediaMax CD-3, copy protection scheme
*
MiniCD
Mini CDs, or pocket CDs, are CDs with a smaller diameter and one-third the storage capacity of a standard 120 mm disc.
Formats
Amongst the various formats are the
* Mini CD single, a small disc. The format is mainly used for audio CD s ...
, a ''3-inch CD''
**
3-inch CD single
*
Color Developing Agent 3, the color developer for
E-6 process and VNF-1 process.
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