nonpersistent

/ (ˌnɒnpəˈsɪstənt) /

adjective

(of pesticides) breaking down rapidly after application; not persisting in the environment

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Medical definitions for nonpersistent

nonpersistent
[ nŏn′pər-sĭstənt ]

adj.

Having a short life or existence under natural conditions.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.