There are multiple definitions:

1. distal interphalangeal [joint](English)

   • IP, MCP, PIP, AUSCAN, CMC, KL, OA, ABCDE-S, IL, PA, PsA, RA, STIR, TNF-α, VNCa
   • Anatomy, Skeleton and bone (formation), Rheumatology, Medical imaging
   • https://doi.org…oca.2007.01.012
   • https://doi.org…8/rg.2020200029

2. defective interfering particle(English)

   • appears following infection at high multiplicity of infection
   • Virology, Infection
   • https://doi.org…01573-5.00019-X

3. desquamative interstitial pneumonitis(English)

   • AIP, COP, IIP, ILD, IPPFE, LIP, NSIP, RB-ILD, AEP, COPD, CPFE, IPF, LCH
   • Pulmonology, Infection
   • https://doi.org…-6896-6.00072-7
   • https://doi.org…eng.2022.10.008