intercurrence

Noun

1. A passing or running between; occurrence.
   • […] I have observed in grinding of glasses […] sometimes the convex surface of one body being ground upon the concave surface of another, the two surfaces will happen to be so closely and exactly fitted to one another,...
   • It is an interesting fact that certain diseases are sometimes benefited if not cured, by the intercurrence of erysipelas. - 1892, Henry M. Lyman, A Text-Book of the Principles and Practices of Medicine, Philadelphia:...