Look up essential in Wiktionary, the free dictionary. Essential or essentials may refer to: Essential amino acid, one that the organism cannot produce...

The Essential may refer to: The Essential Series, an Irish radio show The Essential (Concrete Blonde album), 2005 The Essential (Divinyls album), 2008...

Essentialism is the view that objects have a set of attributes that are necessary to their identity. In early Western thought, Platonic idealism held that...

An essential oil is a concentrated hydrophobic liquid containing volatile (easily evaporated at normal temperatures) chemical compounds from plants. Essential...

An essential patent or standard-essential patent (SEP) is a patent that claims an invention that must be used to comply with a technical standard. Standard-setting...

The WHO Model List of Essential Medicines (aka Essential Medicines List or EML), published by the World Health Organization (WHO), contains the medications...

Different types of organisms have different essential nutrients. Ascorbic acid (vitamin C) is essential to humans and some animal species but most other...

In mathematics, the concepts of essential infimum and essential supremum are related to the notions of infimum and supremum, but adapted to measure theory...

Essential tremor (ET), also called benign tremor, familial tremor, and idiopathic tremor, is a medical condition characterized by involuntary rhythmic...

In hematology, essential thrombocythemia (ET) is a rare chronic blood cancer (myeloproliferative neoplasm) characterised by the overproduction of platelets...

An essential amino acid, or indispensable amino acid, is an amino acid that cannot be synthesized from scratch by the organism fast enough to supply its...

Essential hypertension (also called primary hypertension, or idiopathic hypertension) is a form of hypertension without an identifiable physiologic cause...

Essential services may refer to a class of occupations that have been legislated by a government to have special restrictions in regard to labour actions...

analysis, an essential singularity of a function is a "severe" singularity near which the function exhibits striking behavior. The category essential singularity...

Essential Products (marketed as Essential) was an American technology company and manufacturer founded on November 9, 2015, by Andy Rubin and based in...

12" Masters – The Essential Mixes (commonly referred to as simply Essential Mixes) is a remix album by American singer and songwriter Justin Timberlake...

The Essential "Weird Al" Yankovic is a two disc compilation album by "Weird Al" Yankovic. A limited edition "3.0" version of the album has a third disc...

The Essential Phone (officially Phone or PH-1) is a discontinued Android smartphone designed by Android co-founder Andy Rubin, and manufactured, developed...

The Essential Journey is a compilation of songs from the rock band Journey. Released on October 16, 2001, it is part of Sony BMG's "Essential" series...

Essentials may refer to: Maliq & D'Essentials, an Indonesian jazz group The Essentials (band), a Canadian a cappella group 1993–2011 The Essentials (TV...

The mission of the Department of Essential Drugs and Medicines of the World Health Organization is "to help save lives and improve health by closing the...

Essential Utilities (formerly Aqua America and Peoples Natural Gas) is an American utility company that has stakes in Illinois, Indiana, New Jersey, North...

Essential Records was the name of two record companies: Essential Records (London), a subsidiary of London Records Essential Records (Christian), a Christian...

Essential service may refer to: Essential service, the telecommunications service feature Essential services, a class of occupations with legislated restricted...

Essential fatty acids, or EFAs, are fatty acids that are required by humans and other animals for normal physiological function that cannot be synthesized...

The Essential (2003) is a greatest hits album by Jethro Tull, digitally remastered. The songs included and their order are the same as Tull's first greatest...

biological role as essential micronutrients. The two types of trace element in biochemistry are classed as essential or non-essential. An essential trace element...

12" Masters – Essential Mixes (commonly referred to as simply Essential Mixes) is a remix album by Australian pop singer Kylie Minogue. It was released...

Essential Marvel was a line published by Marvel Comics from 1996–2013 that reprinted vintage comic book material in paperback format. Each black-and-white...

mission essential) factor of a system is any factor (component, equipment, personnel, process, procedure, software, etc.) that is essential to business...