Definition of essential

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

Lern More About Essential

Cosmoline :: Cosmoline (n.) A substance obtained from the residues of the distillation of petroleum, essentially the same as vaseline, but of somewhat stiffer consistency, and consisting of a mixture of the higher paraffines; a kind of petroleum jelly..
Lime :: Lime (n.) Oxide of calcium; the white or gray, caustic substance, usually called quicklime, obtained by calcining limestone or shells, the heat driving off carbon dioxide and leaving lime. It develops great heat when treated with water, forming slacked lime, and is an essential ingredient of cement, plastering, mortar, etc..
Siderostat :: Siderostat (n.) An apparatus consisting essentially of a mirror moved by clockwork so as to throw the rays of the sun or a star in a fixed direction; -- a more general term for heliostat.
Advene :: Advene (v. i.) To accede, or come (to); to be added to something or become a part of it, though not essential..
Kernel :: Kernel (n.) The essential part of a seed; all that is within the seed walls; the edible substance contained in the shell of a nut; hence, anything included in a shell, husk, or integument; as, the kernel of a nut. See Illust. of Endocarp..
Imitation :: Imitation (n.) One of the principal means of securing unity and consistency in polyphonic composition; the repetition of essentially the same melodic theme, phrase, or motive, on different degrees of pitch, by one or more of the other parts of voises. Cf. Canon..
Lactucin :: Lactucin (n.) A white, crystalline substance, having a bitter taste and a neutral reaction, and forming one of the essential ingredients of lactucarium..
Essential :: Essential (a.) Hence, really existing; existent..
Naphthyl :: Naphthyl (n.) A hydrocarbon radical regarded as the essential residue of naphthalene.
Witness :: Witness (v. i.) One who testifies in a cause, or gives evidence before a judicial tribunal; as, the witness in court agreed in all essential facts..
Opodeldoc :: Opodeldoc (n.) A saponaceous, camphorated liniment; a solution of soap in alcohol, with the addition of camphor and essential oils; soap liniment..
Appendix :: Appendix (n.) Any literary matter added to a book, but not necessarily essential to its completeness, and thus distinguished from supplement, which is intended to supply deficiencies and correct inaccuracies..
Bioplasm :: Bioplasm (n.) A name suggested by Dr. Beale for the germinal matter supposed to be essential to the functions of all living beings; the material through which every form of life manifests itself; unaltered protoplasm.
Valeryl :: Valeryl (n.) The hypothetical radical C5H9O, regarded as the essential nucleus of certain valeric acid derivatives..
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..
Esential :: Esential (n.) That which is essential; first or constituent principle; as, the essentials or religion..
Integral :: Integral (a.) Essential to completeness; constituent, as a part; pertaining to, or serving to form, an integer; integrant..
Tourniquet :: Tourniquet (n.) An instrument for arresting hemorrhage. It consists essentially of a pad or compress upon which pressure is made by a band which is tightened by a screw or other means.
Parallel :: Parallel (a.) Continuing a resemblance through many particulars; applicable in all essential parts; like; similar; as, a parallel case; a parallel passage..
Intrapetiolar :: Intrapetiolar (a.) Situated between the petiole and the stem; -- said of the pair of stipules at the base of a petiole when united by those margins next the petiole, thus seeming to form a single stipule between the petiole and the stem or branch; -- often confounded with interpetiolar, from which it differs essentially in meaning..
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