The capacity of a substance to remain chemically stable. This is an important factor in estimating the environmental effects of substances discharged into the environment. Certain toxic substances (e.g., cyanides) have a low persistence, whereas other less immediately toxic substances (e.g., many organochlorines) have a high persistence and may therefore produce more serious effects.
(Source: ALL)
Lasting for a long period, being present for a long period.
the property of a continuous and connected period of time
persistent determination
the act of persevering
the act of persisting or persevering; continuing or repeating behavior; "his perseveration continued to the point where it was no longer appropriate"
the act of persisting or persevering; continuing or repeating behavior
