essential components meaning, essential components definition | English Cobuild dictionary

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essential

  
  ( essentials    plural  )
1       adj   Something that is essential is extremely important or absolutely necessary to a particular subject, situation, or activity.  
oft it v-link ADJ to-inf   (=crucial)  
It was absolutely essential to separate crops from the areas that animals used as pasture..., As they must also sprint over short distances, speed is essential..., Jordan promised to trim the city budget without cutting essential services.     
2       n-count   The essentials are the things that are absolutely necessary for the situation you are in or for the task you are doing.  
usu pl  
The flat contained the basic essentials for bachelor life.     
3       adj   The essential aspects of something are its most basic or important aspects.   (=fundamental)  
Most authorities agree that play is an essential part of a child's development..., In this trial two essential elements must be proven: motive and opportunity.     
4       n-plural   The essentials are the most important principles, ideas, or facts of a particular subject.  
...the essentials of everyday life, such as eating and exercise...     


non-essential        ( non-essentials    plural  )
in AM, also use nonessential     
1       adj   Non-essential means not absolutely necessary.  
usu ADJ n     (Antonym: essential)    The crisis has led to the closure of a number of non-essential government services., ...non-essential goods.     
2       n-plural   Non-essentials are things that are not absolutely necessary.,   (Antonym: necessities)    In a recession, consumers could be expected to cut down on non-essentials like toys.     
Translation English Cobuild Collins Dictionary  
Collaborative Dictionary     English Cobuild
adj.
Essential
n.
one of the parts that make up a whole machine, system etc.
n.
a virtual component in cyberspace which may be in any form and may execute any function, solely or partially.
[Tech.]
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