noun
definition
A necessary ingredient.
definition
A fundamental ingredient.
adjective
definition
Necessary.
synonyms
definition
Very important; of high importance.
synonyms
definition
Necessary for survival but not synthesized by the organism, thus needing to be ingested
definition
Being in the basic form; showing its essence.
example
Don’t mind him being grumpy. That’s the essential Fred.
definition
Really existing; existent.
definition
Such that each complementary region is irreducible, the boundary of each complementary region is incompressible by disks and monogons in the complementary region, and no leaf is a sphere or a torus bounding a solid torus in the manifold.
definition
Idiopathic.
Examples of essential in a Sentence
That is an essential condition.
She knew the essential conditions of the instrument.
The English micrometer still retains the essential features of Troughton's original construction above described.
Water is everywhere essential to their well-being; and no animals delight more thoroughly in a bath.
It is entirely different in all essential features from the great alluvial plains.
For Quint, those pieces were essential to wrapping up his case.
The hydrosphere is an essential component to the earth's surface.
It seemed to him essential to see Natasha.
He found Sweden in ruins, and devoted his whole life to laying the solid foundations of a new order of things which, in its essential features, has endured to the present day.
In the past, when most media was mass media, it was essential to create products with mass appeal.
Retaining their original language and preserving the customs and institutions of remote antiquity, they present a distinct type, and differ in many essential particulars from the other nations of the peninsula.
The females have relatively large tusks, which are essential in obtaining their food.
Thus he says that nature fashions organs in the order of their necessity, the first being those essential to life.
It is essential that web pages download fast on slow connections.
Not a soldier himself, he had to control and direct the movements of armies; can we be surprised if he failed, or if he was unable to keep control over the generals or to establish that military co-operation so essential to success?
Independently of its value as being compiled from original documents, it bears evidence of great research, and has been of essential benefit to later writers.
This adopting act allowed scruples as to "articles not essential and necessary in doctrine, worship or government" - the presbytery being judge in the case and not the subscriber.
The plan given by Viollet-le-Duc of the Priory of St Jean des Bons Hommes, a Cluniac cell, situated between the town of Avallon and the village of Savigny, shows that these diminutive establishments comprised every essential feature of a monastery, - chapel, cloister, chapter-room, refectory, dormitory, all grouped according to the recognized arrangement.
And the fact remains that she was taught by a method of teaching language to the deaf the essential principles of which are clearly expressed in Miss Sullivan's letters, written while she was discovering the method and putting it successfully into practice.
It is essential for him to combine his movements with those of the commander-in-chief.
A light equipped with fully-charged batteries is also an essential part of a miner's work gear.
This simple form of crane thus embodies the essential elements of foundation, post, framework, jib, tie-rods and gearing.
In order to maintain a system of telegraph lines in good working condition, daily tests are essential.
The terms of agrarian contracts and leases (except in districts where mezzadria prevails in its essential form), are in many regions disadvantageous to the laborers, who suffer from the obligation to provide guarantees for payment of rent, for repayment of seed corn and for the division of products.
The essential point in his advance on Euler's mode of investigating curves of maximum or minimum consisted in his purely analytical conception of the subject.
The essential materials of which these mixtures are made are, for English flint glass, sand, carbonate of potash and red lead; for plate and sheet glass, sand, carbonate or sulphate of soda.
Materials were available providing the essential ingredients of glass.
Although it is usually present, faith in the medicine man is not essential for the efficacy of the method.
The existence of acids not containing oxygen was, in itself, sufficient to overthrow this idea, but, although Berthollet had shown, in 1789, that sulphuretted hydrogen (or hydrosulphuric acid) contained no oxygen, Lavoisier's theory held its own until the researches of Davy, Gay-Lussac and Thenard on hydrochloric acid and chlorine, and of Gay-Lussac on hydrocyanic acid, established beyond all cavil that oxygen was not essential to acidic properties.
It is clear that acetylene, if it is to be used on a large scale as a domestic illuminant, must undergo such processes of purification as will render it harmless and innocuous to health and property, and the sooner it is recognized as absolutely essential to purify acetylene before consuming it the sooner will the gas acquire the popularity it deserves.
Their whole essential characters are the same as those of the cattle at Chillingham.
It was essential that there should be some great reform which would affect every part of the kingdom, and for the present this was not to be secured.
Proper nutrition is essential to healthy aging, and can have a considerable effect on many conditions.
Such a mitre appears on a seal of Archbisho p Thomas Becket (Father Thurston, The ?P allium, London, 1892, p. 17), The custom was, however, .already growing up of setting the horns over the front and back of the head instead of the sides (the mitre said to have belonged to St Thomas Becket, now at Westminster Cathedral, is of this type), 1 and with this the essential character of the mitre, as it persisted through the middle ages, was established.
The Finance Act of 1902 allows a manufacturer to obtain a license which permits the use of duty-free alcohol, if he can show that such alcohol is absolutely essential for the success of his business, and that methylated spirit is unsuitable.
In a 50% solution or stronger - as when neat whisky is taken - alcohol precipitates the pepsin which is an essential of gastric digestion, E.nd thereby arrests this process.
While he was fundamentally at one with Luther in opposing both Romanism and Calvinism, his mysticism led him to interpret justification by faith as not an imputation but an infusion of the essential righteousness or divine nature of Christ.
Place, again, as we have seen, was an essential element even in the conception of the numen, and is therefore all-important in ritual.
A high current-density being employed, the turn-over of gold is rapid - an essential factor of success when the costliness of the metal is taken into account.
It is essential that the bath should not contain more than 5% of palladium, or some of this metal will deposit with the gold.
Doubtless much still remains to be done; but the essential thing, from the present standpoint, is that a sufficient knowledge of the Assyrian language has been acquired to ensure trustworthy translations of the cuneiform texts.
The capture of these defences, which would afford observation over the greater part of the main Hindenburg line proper, was of course an essential preliminary to any operation against the latter.
Despite the risks of failure and the probable consequences of such a failure, from the political and moral as well as the military point of view, it was considered essential both by Marshal Foch and Lord Haig that the attack on it should be carried out and that as soon as possible.
The " fig-insects," whose presence in ripening figs is believed essential to the proper development of the fruit, belong to Blastophaga and other genera of this family.
In 1826 Dumas devised a method suitable for substances of high boiling-point; this consisted in its essential point in vaporizing the substance in a flask made of suitable material, sealing it when full of vapour, and weighing.
As time is an object, the conditions alluded to in the article on Copper as being favourable to the use of high current densities should be studied, bearing in mind that a tough copper deposit of high quality is essential.
No experience of the failure of his policy could shake his belief in its essential excellence.
In these districts and others the number has become much reduced, owing doubtless in part to the fatal practice of catching the birds just before or during the breeding-season; but perhaps the strongest cause of their growing scarcity is the constant breaking-up of waste lands, and the extirpation of weeds (particularly of the order Compositae) essential to the improved system of agriculture; for in many parts of Scotland, East Lothian for instance, where goldfinches were once as plentiful as sparrows, they are now only rare stragglers, and yet there they have not been thinned by netting.
The essential part of many transmission dynamometers is a spring whose deformation indirectly measures the magnitude of the force transmitted through it.
An essential feature of the modern view of the structure of matter is that the molecules are supposed to be in rapid motion relatively to one another.