Essential

Essential
As in essential hypertension. A hallowed term meaning "We don't know the cause." Synonymous with idiopathic.
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1. Necessary, indispensable, ( e.g., e. amino acid s, e. fatty acid s). 2. Characteristic of. 3. Determining. 4. Of unknown etiology. 5. Relating to an essence ( e.g., e. oil). 6. SYN: intrinsic.

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es·sen·tial i-'sen-chəl adj
1) being, relating to, or containing an essence <an \essential odor>
2) being a substance that is not synthesized by the body in a quantity sufficient for normal health and growth and that must be obtained from the diet <\essential fatty acids> compare nonessential
3) having no obvious or known cause: IDIOPATHIC <\essential disease>

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adj.
describing a disorder that is not apparently attributable to an outside cause; for example, essential hypertension.

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es·sen·tial (ə-senґshəl) [L. essentialis] 1. constituting the necessary or inherent part of a thing; giving a substance its peculiar and necessary qualities. 2. idiopathic; said of a disease. 3. indispensable; required in the diet, as essential fatty acids.

Medical dictionary. 2011.

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  • essential — Ⅰ. essential UK US /ɪˈsenʃəl/ adjective ► very important or necessary: »Computer literacy is becoming as essential as the ability to drive a car. an essential component/part of sth »Selective expansion of our store base is an essential component… …   Financial and business terms

  • Essential — Es*sen tial ([e^]s*s[e^]n sjal), a. [Cf. F. essentiel. See {Essence}.] 1. Belonging to the essence, or that which makes an object, or class of objects, what it is. [1913 Webster] Majestic as the voice sometimes became, there was forever in it an… …   The Collaborative International Dictionary of English

  • essential — I (inherent) adjective basal, basic, basilar, basilary, elemental, fundamental, immanent, implicit, integral, intrinsic, intrinsical, main, primary II (required) adjective basic, binding, called for, chief, compulsory, critical, crucial, demanded …   Law dictionary

  • essential — adj 1 inherent, intrinsic, constitutional, ingrained Analogous words: *innate, inborn, inbred, congenital: inner, inward: elemental (see ELEMENTARY): *characteristic, individual, peculiar, distinctive Antonyms: accidental Contrasted words:… …   New Dictionary of Synonyms

  • essential — [ə sen′shəl, isen′shəl] adj. [ME essencial < LL essentialis: see ESSENCE] 1. of or constituting the intrinsic, fundamental nature of something; basic; inherent [an essential difference] 2. absolute; complete; perfect 3. absolutely necessary;… …   English World dictionary

  • Essential — Grandes éxitos de Jethro Tull Publicación 24 de marzo de 2003 (UK) 31 de marzo de 2003 (EE. UU.) Género(s) Rock progresivo Duración 43:41 …   Wikipedia Español

  • essential — [adj1] important, vital capital, cardinal, chief, constitutive, crucial, foremost, fundamental, imperative, indispensable, leading, main, necessary, necessitous, needed, needful, prerequisite, principal, required, requisite, righthand, wanted;… …   New thesaurus

  • Essential — Es*sen tial ([e^]s*s[e^]n sjal), n. 1. Existence; being. [Obs.] Milton. [1913 Webster] 2. That which is essential; first or constituent principle; as, the essentials of religion. [1913 Webster] …   The Collaborative International Dictionary of English

  • Essentiāl — (essentiell, lat.), wesentlich, unumgänglich notwendig. Essentialia (Essentialien), wesentliche Dinge, wesentliche Bestandteile; essentialia negotii, in der Rechtssprache die wesentlichen Bestandteile eines Rechtsgeschäfts, die vorhanden sein… …   Meyers Großes Konversations-Lexikon

  • essential — essential, ale, aux [esɑ̃sjal, o] adj. ÉTYM. Mil. XXe; de essence, d après le lat. essentialis, refait pour éviter l ambiguïté d essentiel « de l essence », « très important ». ❖ ♦ Philos. De l essence. ❖ CONTR. Accidentel, existentiel …   Encyclopédie Universelle

  • essential... — essential...,   Schreibvariante für essenzial …   Universal-Lexikon

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