| a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells. |
| the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language). |
electrodiagnosis e·lec·tro·di·ag·no·sis (ĭ-lěk'trō-dī'əg-nō'sĭs)
n.
Determination of the nature of a disease through observation of changes in electrical irritability.