There are multiple definitions:

1. induced circular dichroism(English)

   • Biochemistry

2. implantable cardioverter-defibrillator / device(English)

   • AED, AICD, CIM, LCSD, PAD, SCD, WCD
   • Cardiology
   • https://doi.org…161-022-00041-9

3. irritant contact dermatitis(English)

   • ACD, CD
   • Dermatology
   • https://doi.org…04546-9.10006-8

4. idiopathic cervical dystonia(English)

   • aka cervical dystonia, spasmodic torticollis
   • Neurology

5. International Classification of Diseases(English)

   • NCD, ICD-CM, ICD-10
   • Classification, Pathology

6. idiopathic Castleman disease(English)

   • a rare disease that affects the lymph nodes and related tissues. It is a form of Castleman disease that is "systemic" and involves multiple regions of lymph nodes (as opposed to unicentric Castleman disease). The signs and symptoms are often nonspecific, and are mild in some people but serious in others. Also as MCD
   • MCD, TAFRO
   • Lymphatic system/lymphoma
   • https://doi.org…55/2022/3833649
   • https://raredis…stleman-disease

7. Inventory of Cognitive Distortions(English)

   • CBQ, CDS, CERS, ICD
   • Cognitive function
   • https://doi.org…155/2015/694853