Medical Dictionary

persistent


persistent

adj per·sis·tent \-tənt\

Definition of PERSISTENT

1
:  existing or continuing for a long time: as a :  effective in the open for an appreciable time usually through slow volatilizing <mustard gas is persistent> b :  degraded only slowly by the environment <persistent pesticides> c :  remaining infective for a relatively long time in a vector after an initial period of incubation <persistent viruses>
2
:  continuing to exist despite interference or treatment <a persistent cough> <has been in a persistent vegetative state for two years>
March 02, 2015
chatoyant Hear it
Having a changeable luster or color
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