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English definition of “essential”

essential

noun [C, usually plural]
 
 
/ɪˈsenʃəl/
a basic thing that you cannot live or succeed without: This leaflet will give you the essentials of how to use the word processor. Goods that were once considered luxuries are now treated as essentials by many.
(Definition of essential noun from the Cambridge Business English Dictionary © Cambridge University Press)
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