essential feature meaning, essential feature definition | English Cobuild dictionary

Collins

essential

  

      adj  
1    vitally important; absolutely necessary  
2    basic; fundamental  
the essential feature     
3    completely realized; absolute; perfect  
essential beauty     
4      (Biochem)   (of an amino acid or a fatty acid) necessary for the normal growth of an organism but not synthesized by the organism and therefore required in the diet  
5    derived from or relating to an extract of a plant, drug, etc.  
an essential oil     
6      (Logic)   (of a property) guaranteed by the identity of the subject; necessary. Thus, if having the atomic number 79 is an essential property of gold, nothing can be gold unless it has that atomic number  
7      (Music)   denoting or relating to a note that belongs to the fundamental harmony of a chord or piece  
8      (Pathol)   (of a disease) having no obvious external cause  
essential hypertension     
9      (Geology)   (of a mineral constituent of a rock) necessary for defining the classification of a rock. Its absence alters the rock's name and classification  
      n  
10    something fundamental or indispensable  
a sharp eye is an essential for a printer     
11      (Music)   an essential note  
  essentiality  
  essentialness      n  
  essentially      adv  


essential element  
      n     (Biochem)   any chemical element required by an organism for healthy growth. It may be required in large amounts (see macronutrient) or in very small amounts (see trace element)  
essential oil  
      n   any of various volatile organic oils present in plants, usually containing terpenes and esters and having the odour or flavour of the plant from which they are extracted: used in flavouring and perfumery  
   Compare       fixed oil  
  
See also  
    oleoresin  
English Collins Dictionary - English Definition & Thesaurus  
Collaborative Dictionary     English Definition
exp.
expression meaning that several or all members of a family have something in common (a skill, a feature, a path or a behavior)
E.g.: He became an actor too. It runs in the family.
adj.
basic, standard, with no special features
[Bus.]
n.
device combining the features of a smartphone and a tablet, with a size in the middle
[Bus.];[Comp.] like Samsung Galaxy Note
adj.
(about a product or service) meant to meet the customers' basic requirements; with no add-ons, including only the basic features
E.g: It's a no frills hotel, but very clean and with friendly staff.
exp.
Security features of encryption and protection in advance form of web storage.
[Tech.]

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"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"