Essence vs Requirement - What's the difference?

essence | requirement |


As nouns the difference between essence and requirement

is that essence is (senseid)the inherent nature of a thing or idea while requirement is a necessity or prerequisite; something required or obligatory.

essence

English

Noun

(en noun)
  • (senseid)The inherent nature of a thing or idea.
  • * Landor
  • The laws are at present, both in form and essence , the greatest curse that society labours under.
  • * Addison
  • Gifts and alms are the expressions, not the essence of this virtue [charity].
  • * Courthorpe
  • The essence of Addison's humour is irony.
  • (philosophy) The true nature of anything, not accidental or illusory.
  • Constituent substance.
  • * Milton
  • Uncompounded is their essence pure.
  • A being; especially, a purely spiritual being.
  • * Milton
  • As far as gods and heavenly essences / Can perish.
  • * Washington Irving
  • He had been indulging in fanciful speculations on spiritual essences , until he had an ideal world of his own around him.
  • A significant feature of something.
  • The concentrated form of a plant or drug obtained through a distillation process.
  • * essence of Jojoba
  • Fragrance, a perfume.
  • * Alexander Pope
  • Nor let the essences exhale.

    Derived terms

    * in essence * of the essence; time is of the essence

    Anagrams

    * ----

    requirement

    Noun

    (en noun)
  • A necessity or prerequisite; something required or obligatory.
  • Something asked.
  • (engineering) A statement (in domain specific terms) which specifies a verifiable constraint on an implementation that it shall undeniably meet or (a)'' be deemed unacceptable, or ''(b)'' result in implementation failure, or ''(c) result in system failure.
  • Usage notes

    * Adjectives often used with "requirement": stringent, complex, reasonable, mandatory, important, financial, medical, educational, physical, chemical * Verbs often used with "requirement": meet, comply with, satisfy, fulfill, impose, waive, abolish, drop, add, remove, fail to meet, ignore, understand, state, specify, increase, reduce, change, modify

    Synonyms

    * (prerequisite) condition, prerequisite, necessity

    Derived terms

    * functional requirement * requirements engineering * requirements analysis