| Abbreviation | Definition |
|---|---|
| DAACP | D amino acid containing peptides |
| DAB | Di-AminoBenzidine |
| DAC | Drug Affinity Complex |
| DACC | Division of Animal Clinical Chemistry |
| DAEM | Distributed Activation Energy Model |
| DAG | diacylglycerol |
| DAMO | Denitrifying Anaerobic Methane Oxidation |
| DAMS | Dental Amalgam Mercury Syndrome |
| DANF | Dynamical Aspects of Nuclear Fission |
| DAP | DiAmmonium Phosphate |
| DAP | Di-Amonium Phosphate |
| DAS | Delft Active Suspension |
| DB | Double Bond |
| Db | Dubnium |
| DBAA | Dibutylammonium Acetate |
| DBC | dissolved black carbon |
| DBC | Double Bond Chemical |
| DBC | Dylan Byte Code |
| DBDC | 1,2-Di-Bromo-2,4-DiCyanobutane |
| DBDD | Di-BromoDoDecenoic acid |