| ICNND | Interdepartmental Committee on Nutrition in National Defense |
|---|---|
| IDM | idiopathic disease of myocardium; immune defense mechanism; indirect method; infant of diabetic moth... |
| MEND | Medical Education for National Defense |
| NRDL | Naval Radiological Defense Laboratory |
| OCD | obsessive compulsive disorder; Office of Child Development; Office of Civil Defense; osteochondritis... |