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.
Cell lysis is a process in which a cell is broken down or destroyed as a result of some external force or condition. Lysis can happen through natural means, such as viral infections, or through artificial means for research purposes. The resulting substance that contains the previous contents of the destroyed cell is referred to as the lysate; a substance that causes lysis, particularly an antibody, is called a lysin.