| MC | one million periods per second |
|---|---|
| MC | a town in southeastern Oklahoma |
| MC | a town in southern Texas on the Rio Grande |
| MC | an inherited disease in which abnormal amounts of glycogen accumulate in skeletal muscle |
| MC | a point one third of the way along a line drawn from the hip to the umbilicus |
| MC | United States politician who unscrupulously accused many citizens of being Communists (1908-1957) |
| MC | United States satirical novelist and literary critic (1912-1989) |
| MC | unscrupulously accusing people of disloyalty (as by saying they were Communists) |
| MC | English rock star and bass guitarist and songwriter who with John Lennon wrote most of the music for the Beatles (born in 1942) |
| MC | American Revolutionary heroine who carried water to soldiers during the Battle of Monmouth Court House and took over her husband's gun when he was overcome by heat (1754-1932) |
| MC | United States operatic tenor (born in Ireland) (1884-1945) |
| MC | United States inventor and manufacturer of a mechanical harvester (1809-1884) |