Acetanilide: Acetanilide,, synthetic organic compound introduced in therapy in 1886 as a fever-reducing drug. Its effectiveness in relieving pain was discovered soon thereafter, and it
MidÂ·west. A region of the north-central United States around the Great Lakes and the upper Mississippi Valley. It is generally considered to include Ohio, Indiana, Illinois, Michigan, Wisconsin, Minnesota, Iowa, Missouri, Kansas, and Nebraska. The area is known for its rich farmlands and highly industrialized centers.
Midwest - the north central region of the United States (sometimes called the heartland or the breadbasket of America) middle west, midwestern United States. Rustbelt - urban areas in New England and Midwest characterized by concentrations of declining industries (steel or textiles)