| Abbreviation | Definition |
|---|---|
| CY | Container Yard |
| CY | Cubic Yard |
| CY | Current Year |
| D | Day |
| D | Deci- |
| D | Decimal |
| D | Degree |
| D | Deka |
| D | Duration |
| da | day |
| DA | Days Ago |
| DAD | Days After Delivery |
| DALY | Disability Adjusted Life Year |
| dam | decameter |
| dam | decametre |
| dam | dekameter |
| dam | dekametre |
| DAP | Days After Pollination |
| DAS | Days After Sowing |
| dBA | Decibels Adjusted |