There are multiple definitions:

1. discrete dipole approximation(English)

2. demand-driven acquisition(English)

3. Developmental Disabilities Administration(English)

   • Disability

4. dimethyl dioctadecyl ammonium(English)

   • intradermal injection of 2 mg induces polyarthritis in rats
   • DIA
   • Experimental animal
   • https://doi.org…/jaut.2000.0378

5. C19-diester-diterpenoid alkaloid(English)

   • believed to be the principal toxin of some herb
   • RAE
   • Toxicology
   • https://doi.org…/toxins10100391

6. data-dependent acquisition(English)

   • chooses which ions to fragment based upon intensities observed in MS survey scans and typically only fragments a small subset of the ions present
   • AD, AGC, BACE, DEP, HSYA, NFT, TMT, MS
   • Spectrometry
   • https://doi.org…54.2022.2082964
   • https://doi.org…nalchem.0c03895