There are multiple definitions:

1. developmental apraxia of speech(English)

   • Speaking / language disorders

2. delay and sum(English)

3. dynamic arm simulator(English)

4. dysfunctional attitude scale(English)

   • BDI, BSI, MASQ

5. Difficult Airway Society(English)

6. [Corah's] Dental Anxiety Scale(English)

   • scoring system that shapes 4 dentally related situations, each including 5 responses of increasing anxiety; the sum of responses ranges between 4 and 20, where scores higher than 12 indicate anxious patients, and scores higher than 15 indicate phobic levels of anxiety
   • VAS-A
   • Anxiety/fear, Dentistry
   • https://doi.org…3-3006-55.4.109

7. dyadic adjustment scale(English)

   • theory of dyadic coping provides the framework for exploring the impact of life-threatening illness on the dyadic relationship
   • DLSA, HSDD, IVRS, WSID-SF
   • Scoring systems/scales, Psychiatry
   • https://doi.org/10.1037/a0033871
   • https://doi.org/10.2307/350547
   • https://doi.org…09.2009.01528.x

8. distributed acoustic sensing(English)

   • FPGA
   • Audiology
   • https://doi.org…LT.2022.3219369