Inspector General, Department of Defense
/ˈɪɡdrəsɪl/ noun 1. a variant spelling of Yggdrasil
Immunology. 1. immunoglobulin E: a class of antibodies most abundant in tissue spaces, involved in the expulsion of intestinal parasites and causing allergic reactions by activating the release of histamines and leukotrienes in response to certain foreign antigens. immunoglobulin E
Initial Graphics Exchange Specification: an ASME/ANSI standard for the exchange of CAD data.
IGF abbr. insulinlike growth factor insulin-like growth factor