•
Multiple (mathematics), multiples of numbers •
List of multiple discoveries, instances of scientists, working independently of each other, reaching similar findings •
Multiple birth, because having twins is sometimes called having "multiples" •
Multiple sclerosis, an inflammatory disease • Parlance for people with multiple identities, sometimes called "multiples"; often theorized as having
dissociative identity disorder •
Multiple myeloma (MM), a cancer that forms in a type of white blood cell (WBC) called plasma cells. ==Printing==