In the civil law . The inseparable intermixture of property belonging to different owners; it is properly confined to the pouring together of fluids, but is sometimes also used of a melting together, of metals or any compound formed by the irrecoverable commixture of different substances. It is distinguished from commixtion by the fact that in the latter case a separation may be made, while in a case of confusio there cannot be. 2 Bl. Comm. 405.