Definition of divergence
noun
1the process or state of diverging:the divergence between primates and other groups a difference or conflict in opinions, interests, wishes, etc.:a fundamental divergence of attitude a place where airflows or ocean currents diverge, typically marked by downwelling (of air) or upwelling (of water).
2 Mathematics the inner product of the operator del and a given vector, which gives a measure of the quantity of flux emanating from any point of the vector field or the rate of loss of mass, heat, etc., from it.