E-Four (short for Electrical 4WD System), eFour, AWD-i, or AWD-e was developed by Toyota. Front wheels are powered directly by the hybrid powertrain, rear...

In standard tuning (E A D G B E), four of the instrument's six open (unfretted) strings are part of the tonic chord. The key of E minor is also popular...

Four Times of the Day is a series of four oil paintings by English artist William Hogarth. They were completed in 1736 and in 1738 were reproduced and...

The four temperament theory is a proto-psychological theory which suggests that there are four fundamental personality types: sanguine, choleric, melancholic...

The Fantastic Four: First Steps is an upcoming American superhero film based on the Marvel Comics superhero team the Fantastic Four. Produced by Marvel...

called vitamers. For example, there are eight vitamers of vitamin E: four tocopherols and four tocotrienols. The term vitamin does not include the three other...

The Fantastic Four is a superhero team appearing in American comic books published by Marvel Comics. The team debuted in The Fantastic Four #1 (cover-dated...

the interval between C and E (four half steps) is a major third, which can imply a C major chord, made up of the notes C, E and G. Double stop Interval...

dimensions; similarly four-momentum is a four-vector in spacetime. The contravariant four-momentum of a particle with relativistic energy E and three-momentum...

The Gang of Four (simplified Chinese: 四人帮; traditional Chinese: 四人幫; pinyin: Sì rén bāng) was a Maoist political faction composed of four Chinese Communist...

Four Loko is a line of alcoholic beverages sold by Phusion Projects of Chicago, Illinois, United States. Four Loko's recipe formerly included caffeine...

The Four Freedoms were goals articulated by U.S. President Franklin D. Roosevelt on Monday, January 6, 1941. In an address known as the Four Freedoms speech...

the truth? Sherlock Holmes, Chap. 6, p. 111 The Sign of the Four, also called The Sign of Four, is an 1890 detective novel, and it is the second novel featuring...

petit four (plural: petits fours, also known as mignardises) is a small bite-sized confectionery or savory appetiser. The name is French, petit four (French...

The Four Horsemen of the Apocalypse are figures in the Book of Revelation in the New Testament of the Bible, a piece of apocalypse literature attributed...

In mathematics, the four color theorem, or the four color map theorem, states that no more than four colors are required to color the regions of any map...

The Four Tops are an American vocal group formed in Detroit, Michigan in 1953 as the Four Aims. They were one of the most commercially successful American...

Four Seasons Hotels Limited, trading as Four Seasons Hotels and Resorts, is a Canadian luxury hotel and resort company headquartered in Toronto, Ontario...

The Four Olds (simplified Chinese: 四旧; traditional Chinese: 四舊; pinyin: sì jiù) refer to categories used by the Red Guards during the Cultural Revolution...

The Four Agreements: A Practical Guide to Personal Freedom is a self-help book by the author Don Miguel Ruiz. The book outlines a code of conduct (supposedly)...

The Tipo Quattro platform (type four) was a front wheel drive platform co-developed in the 1980s and 1990s and shared by the Saab 9000, Fiat Croma, Lancia...

The four occupations (simplified Chinese: 士农工商; traditional Chinese: 士農工商; pinyin: Shì nóng gōng shāng), or "four categories of the people" (Chinese:...

400 (four hundred) is the natural number following 399 and preceding 401. A circle is divided into 400 grads. Four hundred is also .400 (2 hits out of...

Ionian: E F♯ G♯ A B C♯ D♯ E E Dorian: E F♯ G A B C♯ D E E Phrygian: E F G A B C D E E Lydian: E F♯ G♯ A♯ B C♯ D♯ E E Mixolydian: E F♯ G♯ A B C♯ D E E Aeolian:...

A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft...

In special relativity, a four-vector (or 4-vector, sometimes Lorentz vector) is an object with four components, which transform in a specific way under...

The Four Loves is a 1960 book by C. S. Lewis which explores the nature of love from a Christian and philosophical perspective through thought experiments...

Mercedes' 4Matic four-wheel drive system. The E-Class is Mercedes-Benz' best-selling model, with more than 13 million sold by 2015. The first E-Class series...

The "Four Policemen" was a postwar council with the Big Four that US President Franklin Roosevelt proposed as a guarantor of world peace. Their members...

President of the United States, the Secretary of Defense, and successors. The four E-4s are operated by the 1st Airborne Command and Control Squadron of the...