1. Head of a former executive department; combined with the Navy Secretary to form the Defense Secretary in 1947
   - Secretary of War

Type of: secretaryship

• immunised
• immunity
• immunization
• immunize
• immunized
• immunizing agent
• immunoassay
• immunochemical
• immunochemical assay
• immunochemistry
• immunocompetence
• immunocompetent
• immunocompromised
• immunodeficiency
• immunodeficient
• immunoelectrophoresis
• immunofluorescence
• immunogen
• immunogenic
• immunogenicity
• immunoglobulin
• immunoglobulin A
• immunoglobulin D
• immunoglobulin E
• immunoglobulin G