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.
[lÄ«â²sis] Etymology: Gk, lysein, to loosen. 1 destruction or dissolution of a cell or molecule through the action of a specific agent. Cell lysis is frequently caused by a lysin. lytic, adj. 2 gradual diminution in the symptoms of a disease.