correlation in Wingdings is ♍︎□︎❒︎❒︎♏︎●︎♋︎⧫︎♓︎□︎■︎

Reciprocal relation; corresponding similarity or parallelism ofrelation or law; capacity of being converted into, or of giving placeto, one another, under certain conditions; as, the correlation offorces, or of zymotic diseases. Correlation of energy, the relationto one another of different forms of energy; -- usually having somereference to the principle of conservation of energy. SeeConservation of energy, under Conservation.-- Correlation of forces, the relation between the forces whichmatter, endowed with various forms of energy, may exert.