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...

Fundamental :: Fundamental (a.) Pertaining to the foundation or basis; serving for the foundation. Hence: Essential, as an element, principle, or law; important; original; elementary; as, a fundamental truth; a fundamental axiom..

Element :: Element (n.) One of the ultimate parts which are variously combined in anything; as, letters are the elements of written language; hence, also, a simple portion of that which is complex, as a shaft, lever, wheel, or any simple part in a machine; one of the essential ingredients of any mixture; a constituent part; as, quartz, feldspar, and mica are the elements of granite..

Octoyl :: Octoyl (n.) A hypothetical radical (C8H15O), regarded as the essential residue of octoic acid..

Unessential :: Unessential (a.) Void of essence, or real being..

Extraneous :: Extraneous (a.) Not belonging to, or dependent upon, a thing; without or beyond a thing; not essential or intrinsic; foreign; as, to separate gold from extraneous matter..

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

Description :: Description (n.) A sketch or account of anything in words; a portraiture or representation in language; an enumeration of the essential qualities of a thing or species.

Pyrethrin :: Pyrethrin (n.) A substance resembling, and isomeric with, ordinary camphor, and extracted from the essential oil of feverfew; -- called also Pyrethrum camphor..

Roscoelite :: Roscoelite (n.) A green micaceous mineral occurring in minute scales. It is essentially a silicate of aluminia and potash containing vanadium.

Carboxyl :: Carboxyl (n.) The complex radical, CO.OH, regarded as the essential and characteristic constituent which all oxygen acids of carbon (as formic, acetic, benzoic acids, etc.) have in common; -- called also oxatyl..

Norite :: Norite (n.) A granular crystalline rock consisting essentially of a triclinic feldspar (as labradorite) and hypersthene.

Essential :: Essential (a.) Important in the highest degree; indispensable to the attainment of an object; indispensably necessary.

Celluloid :: Celluloid (n.) A substance composed essentially of gun cotton and camphor, and when pure resembling ivory in texture and color, but variously colored to imitate coral, tortoise shell, amber, malachite, etc. It is used in the manufacture of jewelry and many small articles, as combs, brushes, collars, and cuffs; -- originally called xylonite..

Nonessential :: Nonessential (n.) A thing not essential.

Circumstantial :: Circumstantial (n.) Something incidental to the main subject, but of less importance; opposed to an essential; -- generally in the plural; as, the circumstantials of religion..

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

Semiring :: Semiring (n.) One of the incomplete rings of the upper part of the bronchial tubes of most birds. The semerings form an essential part of the syrinx, or musical organ, of singing birds..

Cetin :: Cetin (n.) A white, waxy substance, forming the essential part of spermaceti..

Accident :: Accident (n.) Any accidental property, fact, or relation; an accidental or nonessential; as, beauty is an accident..

Crocidolite :: Crocidolite (n.) A mineral occuring in silky fibers of a lavender blue color. It is related to hornblende and is essentially a silicate of iron and soda; -- called also blue asbestus. A silicified form, in which the fibers penetrating quartz are changed to oxide of iron, is the yellow brown tiger-eye of the jewelers..

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