IPA: //nɒnˌkɒn.səˈveɪ.ʃən//
KK: /nɑnˌkɒn.sɚˈveɪ.ʃən/
A situation where conservation laws are not followed or where resources are not preserved properly.
The nonconservation of energy in the system led to unexpected results.
Nonconservation → It is formed from "non-" (meaning not) and "conservation" (from Latin "conservare", meaning to preserve or maintain). The word "nonconservation" refers to the absence of preservation or maintenance.
Think of 'not' ('non-') preserving or maintaining something ('conservare') — that's what nonconservation means.