[ uh-sen-shuhl ]
/ əˈsɛn ʃəl /
absolutely necessary; indispensable: Discipline is essential in an army.
pertaining to or constituting the essence of a thing.
noting or containing an essence of a plant, drug, etc.
being such by its very nature or in the highest sense; natural; spontaneous: essential happiness.
- (of a singularity of a function of a complex variable) noting that the Laurent series at the point has an infinite number of terms with negative powers.
- (of a discontinuity) noting that the function is discontinuous and has no limit at the point.Compare removable(def 2).
a basic, indispensable, or necessary element; chief point: Concentrate on essentials rather than details.
13 Essential Literary TermsAristotle wrote that mastery over the art of metaphor is a sign of genius, but what does this literary term mean in its most basic form?
Origin of essential
SYNONYMS FOR essential
2 Essential, inherent, intrinsic refer to that which is in the natural composition of a thing. Essential suggests that which is in the very essence or constitution of a thing: Oxygen and hydrogen are essential in water. Inherent means inborn or fixed from the beginning as a permanent quality or constituent of a thing: properties inherent in iron. Intrinsic implies belonging to the nature of a thing itself, and comprised within it, without regard to external considerations or accidentally added properties: the intrinsic value of diamonds.
es·sen·tial·ly, adverbes·sen·tial·ness, nounpre·es·sen·tial, noun, adjectivepre·es·sen·tial·ly, adverb
qua·si-es·sen·tial, adjectivequa·si-es·sen·tial·ly, adverbsub·es·sen·tial, adjectivesub·es·sen·tial·ly, adverbsub·es·sen·tial·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for essentialness
We now come to consider the present state of our knowledge on the essentialness of the ash or mineral portion of the plant.Manures and the principles of manuring|Charles Morton Aikman
British Dictionary definitions for essentialness
/ (ɪˈsɛnʃəl) /
vitally important; absolutely necessary
basic; fundamentalthe essential feature
completely realized; absolute; perfectessential beauty
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
derived from or relating to an extract of a plant, drug, etcan essential oil
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
music denoting or relating to a note that belongs to the fundamental harmony of a chord or piece
pathol (of a disease) having no obvious external causeessential hypertension
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
something fundamental or indispensablea sharp eye is an essential for a printer
music an essential note
Derived Formsessentiality (ɪˌsɛnʃɪˈælɪtɪ) or essentialness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for essentialness
[ ĭ-sĕn′shəl ]
Constituting or being part of the essence of something; inherent.
Basic or indispensable; necessary.
Of, relating to, or being a dysfunctional condition or a disease whose cause is unknown.
Of, relating to, or being a substance that is required for normal functioning but cannot be synthesized by the body and therefore must be included in the diet.
Something necessary or indispensable.
Related formses•sen′ti•al′i•ty (-shē-ăl′ĭ-tē) null n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.