1 Harsh and strict treatment in the military for cadets is an example of rigor. 2  Freezing weather and ice are examples of the rigors of winter. 3  Difficult and challenging academic courses are an example of academic rigor.  harshness or severity; specif.,
The suffix-lysis means to breakdown; separation; destruction; or loosening.
lysis - (biochemistry) dissolution or destruction of cells such as blood cells or bacteria biochemistry - the organic chemistry of compounds and processes occurring in organisms; the effort to understand biology within the context of chemistry