Online Google Dictionary

essential 中文解釋 wordnet sense Collocation Usage Collins Definition
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Absolutely necessary; extremely important,
  1. Absolutely necessary; extremely important
    • - it is essential to keep up-to-date records
    • - fiber is an essential ingredient
  2. Fundamental or central to the nature of something or someone
    • - the essential weakness of the plaintiff's case
  3. (of an amino acid or fatty acid) Required for normal growth but not synthesized in the body and therefore necessary in the diet

  4. (of a disease) With no known external stimulus or cause; idiopathic
    • - essential hypertension
  1. A thing that is absolutely necessary
    • - we had only the bare essentials in the way of gear
  2. The fundamental elements or characteristics of something
    • - he was quick to grasp the essentials of an opponent's argument

  1. absolutely necessary; vitally necessary; "essential tools and materials"; "funds essential to the completion of the project"; "an indispensable worker"
  2. necessity: anything indispensable; "food and shelter are necessities of life"; "the essentials of the good life"; "allow farmers to buy their requirements under favorable conditions"; "a place where the requisites of water fuel and fodder can be obtained"
  3. basic and fundamental; "the essential feature"
  4. all-important(a): of the greatest importance; "the all-important subject of disarmament"; "crucial information"; "in chess cool nerves are of the essence"
  5. being or relating to or containing the essence of a plant etc; "essential oil"
  6. substantive: defining rights and duties as opposed to giving the rules by which rights and duties are established; "substantive law"
  7. Uomini Più Uomini is the eighth studio album by French singer Amanda Lear, originally issued on label Ricordi International in 1989. This was her first album feature only tracks sung in Italian. This album, like other several predecessors, was a commercial failure and failed to charts.
  8. Essential (2003) is a greatest hits album by Jethro Tull, digitally remastered.
  9. Essential is the first compilation released by Kate Ryan. The album was released by the labels EMI and Capitol in early June 2008.
  10. Essential is a 1998 compilation album by Pet Shop Boys, released as a limited edition in the United States by EMI/Capitol and in Japan by Toshiba/EMI. ...
  11. The Essential is the name of a series of compilation albums released by Sony Music's catalog division Legacy Recordings. Legacy compiles these releases from the vast catalogs of Sony Music's labels and they usually bear the original label or imprint associated with the discography.
  12. For the Record is a two-disc, 44-track greatest hits package released by the American country music band Alabama.
  13. A necessary ingredient; A fundamental ingredient; Necessary; Very important; of high importance; Being in the basic form; showing its essence; Such that each complementary region is irreducible, the boundary of each complementary region is incompressible by disks and monogons in the ...
  14. (987 Essentials) A different DJ every week would recommend the "Top 3 Stuff" to do during the weekend at certain intervals between 5.00 PM to 7.00PM on Saturdays.
  15. (3 Essentials) To create a light painting photograph you need three essentials camera, tripod, and a light source.
  16. (Essentials (or Essential doctrine)) core beliefs and doctrine of the Christian faith [see doctrine and dogma].
  17. (Essentials) Eytzinger's GoldCosmetica line of gold and silver flakes, powders and MicroMesh in a range of gold leaf colors.
  18. (The Essentials) Objects, strings, threads, numbers, input and output, data structures, system properties, date and time, and so on.
  19. (The Essentials) of Arabic Words and Phrases for Traveling
  20. something that is very important or necessary
  21. In low-dimensional topology, a non-trivial kind of curve or surface in a manifold that only sometimes exists. An essential sphere in a 3-manifold, for example, is a sphere that does not bound a ball.
  22. A set of binary packages providing the absolute minimal functionality that must be available and usable on the system at all times. ...
  23. 1. (adj.) basic and of fundamental importance. 2. being an inherent or intrinsic part; being part of the essence of something. 3. (noun) a necessary or fundamental part or aspect; e.g. "When he goes hiking, or when he goes to the library, my friend considers chocolate an essential. ...
  24. A substance that cannot be produced from the body, and therefore must be obtained from the diet.
  25. necessary. Essential vitamins and minerals (such as vitamins and iron) are those necessary for good health.