PERSISTENT


Meaning of PERSISTENT in English

transcription, транскрипция: [ -tənt ]

adjective

Etymology: Latin persistent-, persistens, present participle of persistere

Date: 1826

1. : existing for a long or longer than usual time or continuously: as

a. : retained beyond the usual period

a persistent leaf

b. : continuing without change in function or structure

persistent gills

c. : effective in the open for an appreciable time usually through slow volatilizing

mustard gas is persistent

d. : degraded only slowly by the environment

persistent pesticides

e. : remaining infective for a relatively long time in a vector after an initial period of incubation

persistent viruses

2.

a. : continuing or inclined to persist in a course

b. : continuing to exist in spite of interference or treatment

a persistent cough

• per·sis·tent·ly adverb

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.