Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of essential is as below...

Member :: Member (n.) Any essential part, as a post, tie rod, strut, etc., of a framed structure, as a bridge truss..

Radical :: Radical (n.) A characteristic, essential, and fundamental constituent of any compound; hence, sometimes, an atom..

Inessential :: Inessential (a.) Not essential; unessential.

Coessentiality :: Coessentiality (n.) Participation of the same essence.

Propinyl :: Propinyl (n.) A hydrocarbon radical regarded as an essential residue of propine and allied compounds.

Vaseline :: Vaseline (n.) A yellowish translucent substance, almost odorless and tasteless, obtained as a residue in the purification of crude petroleum, and consisting essentially of a mixture of several of the higher members of the paraffin series. It is used as an unguent, and for various purposes in the arts. See the Note under Petrolatum..

Tangle :: Tangle (v.) An instrument consisting essentially of an iron bar to which are attached swabs, or bundles of frayed rope, or other similar substances, -- used to capture starfishes, sea urchins, and other similar creatures living at the bottom of the sea..

Pyridyl :: Pyridyl (n.) A hypothetical radical, C5H4N, regarded as the essential residue of pyridine, and analogous to phenyl..

Pump :: Pump (n.) An hydraulic machine, variously constructed, for raising or transferring fluids, consisting essentially of a moving piece or piston working in a hollow cylinder or other cavity, with valves properly placed for admitting or retaining the fluid as it is drawn or driven through them by the action of the piston..

Duplicate :: Duplicate (n.) An original instrument repeated; a document which is the same as another in all essential particulars, and differing from a mere copy in having all the validity of an original..

Spermaceti :: Spermaceti (n.) A white waxy substance obtained from cavities in the head of the sperm whale, and used making candles, oilments, cosmetics, etc. It consists essentially of ethereal salts of palmitic acid with ethal and other hydrocarbon bases. The substance of spermaceti after the removal of certain impurities is sometimes called cetin..

Unessentially :: Unessentially (adv.) In an unessential manner.

Radiophone :: Radiophone (n.) An apparatus for the production of sound by the action of luminous or thermal rays. It is essentially the same as the photophone.

Glycolyl :: Glycolyl (n.) A divalent, compound radical, CO.CH2, regarded as the essential radical of glycolic acid, and a large series of related compounds..

Determination :: Determination (n.) The act of defining a concept or notion by giving its essential constituents.

Coumarin :: Coumarin (n.) The concrete essence of the tonka bean, the fruit of Dipterix (formerly Coumarouna) odorata and consisting essentially of coumarin proper, which is a white crystalline substance, C9H6O2, of vanilla-like odor, regarded as an anhydride of coumaric acid, and used in flavoring. Coumarin in also made artificially..

Accident :: Accident (n.) A property or quality of a thing which is not essential to it, as whiteness in paper; an attribute..

Inherency :: Inherency (n.) The state of inhering; permanent existence in something; innateness; inseparable and essential connection.

Orcein :: Orcein (n.) A reddish brown amorphous dyestuff, /, obtained from orcin, and forming the essential coloring matter of cudbear and archil. It is closely related to litmus..

Hexdecyl :: Hexdecyl (n.) The essential radical, C16H33, of hecdecane..

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