noun: (geology, geochronology) A set of plotted points, appearing as a curve on a concordia diagram or isochron diagram, representing sample data from rock of the same age; the condition of being a member of said set (or on said curve).
noun: (Roman mythology) The goddess of harmony and concord. She is the Roman equivalent to Harmonia.
noun: 58 Concordia, a main belt asteroid.
noun: A city, the county seat of Cloud County, Kansas, United States.
