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Free content, libre content, libre information, or free information is any kind of creative work, such as a work of art, a book, a software program, or...

William IV (William Henry; 21 August 1765 – 20 June 1837) was King of the United Kingdom of Great Britain and Ireland and King of Hanover from 26 June...

Portable Network Graphics (PNG, officially pronounced /pɪŋ/ PING, colloquially pronounced /ˌpiːɛnˈdʒiː/ PEE-en-JEE) is a raster-graphics file format that...

A dentist, also known as a dental surgeon, is a health care professional who specializes in dentistry, the branch of medicine focused on the teeth, gums...

Obsessive–compulsive disorder (OCD) is a mental and behavioral disorder in which an individual has intrusive thoughts (an obsession) and feels the need...

The watt (symbol: W) is the unit of power or radiant flux in the International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3. It is...

Enzymes (/ˈɛnzaɪmz/) are proteins that act as biological catalysts by accelerating chemical reactions. The molecules upon which enzymes may act are called...

Look up sic in Wiktionary, the free dictionary. Example We are prepared, under appropriate circumstances, to provide information bearing on the credibly...

A search engine is a software system that provides hyperlinks to web pages and other relevant information on the Web in response to a user's query. The...

RSS (RDF Site Summary or Really Simple Syndication) is a web feed that allows users and applications to access updates to websites in a standardized, computer-readable...

Roy Kelton Orbison (April 23, 1936 – December 6, 1988) was an American singer, songwriter, and guitarist known for his distinctive and powerful voice,...

A transistor is a semiconductor device used to amplify or switch electrical signals and power. It is one of the basic building blocks of modern electronics...

Edward IV (28 April 1442 – 9 April 1483) was King of England from 4 March 1461 to 3 October 1470, then again from 11 April 1471 until his death in 1483...

A Christian (/ˈkrɪstʃən, -tiən/ ) is a person who follows or adheres to Christianity, a monotheistic Abrahamic religion based on the life and teachings...

Martinique (/ˌmɑːrtɪˈniːk/ MAR-tin-EEK, French: [maʁtinik] ; Martinican Creole: Matinik or Matnik; Kalinago: Madinina or Madiana) is an island in the Lesser...

Lyon is the third-most populous city of France, at the centre of its second-largest urban area. It is located at the confluence of the rivers Rhône and...

An extended play (EP) is a musical recording that contains more tracks than a single but fewer than an album or LP record. Contemporary EPs generally contain...

Scalable Vector Graphics (SVG) is an XML-based vector image format for defining two-dimensional graphics, having support for interactivity and animation...

Gasoline (North American English) or petrol (Commonwealth English) is a petrochemical product characterized as a transparent, yellowish, and flammable...

A neoplasm (/ˈniːoʊplæzəm, ˈniːə-/) is a type of abnormal and excessive growth of tissue. The process that occurs to form or produce a neoplasm is called...