Adjective
nonpersistent (not comparable)
Not persistent.
Among mammals, lactase persistence is unique to humans — it evolved relatively recently (in the last 10,000 years) among some populations, and the majority of people worldwide remain lactase nonpersistent. Source: Internet
Secondly, within even these societies, lactose intolerance tends to be under-reported: genetically lactase nonpersistent individuals can tolerate varying quantities of lactose before showing symptoms, and their symptoms differ in severity. Source: Internet
Agents classified as nonpersistent lose effectiveness after only a few minutes or hours or even only a few seconds. Source: Internet
Chemical agents are classified as persistent or nonpersistent. Source: Internet
Tactically, nonpersistent agents are very useful against targets that are to be taken over and controlled very quickly. Source: Internet