Fourier

[ foor-ee-ey, -ee-er; French foo-ryey ]

noun

1. Fran·çois Ma·rie Charles [f, r, ah, n, -, swa, m, a, -, ree, sh, a, r, l], 1772–1837, French socialist, writer, and reformer.
2. Jean Bap·tiste Jo·seph [zhah, n, b, a, -, teest, zhaw-, zef], 1768–1830, French mathematician and physicist.
3. a crater in the third quadrant of the face of the moon: about 36 miles (58 km) in diameter.

Fourier

/ furje; ˈfʊərɪˌeɪ /

noun

1. Fourier(François Marie) Charles17721837MFrenchSOCIAL SCIENCE: social reformer ( François Marie ) Charles (ʃarl). 1772–1837, French social reformer: propounded a system of cooperatives known as Fourierism, esp in his work Le Nouveau monde industriel (1829–30)
2. FourierJean Baptiste Joseph17681830MFrenchSCIENCE: mathematicianHISTORY: EgyptologistPOLITICS: administrator Jean Baptiste Joseph (ʒɑ̃ batist ʒozɛf). 1768–1830, French mathematician, Egyptologist, and administrator, noted particularly for his research on the theory of heat and the method of analysis named after him

Fourier

/ fr′ē-ā′,fo̅o̅-ryā′ /

1. French mathematician and physicist who introduced the expansion of periodic functions in the trigonometric series that is now named for him. He also studied the conduction of heat in solid bodies.

Example Sentences

These amplitude-modulated signals of different frequencies are then superimposed onto a single conductor, and a Fast Fourier Transform algorithm is finally used to decipher the individual signals.

From Science Daily

This method can extract different fluorophore signals, similar to how the human ear uses a mathematical model known as a Fourier transform to extract different pitches from a piece of music.

From Science Daily

In 1824 -- so three decades before either of their experiments -- the mathematician Joseph Fourier was thinking about the surface of the Earth, why it isn’t much colder.

From Scientific American

They are created by feeding an audio signal into a Fourier transform, a mathematical model for translating sounds into another format.

From Washington Post

In the 1820s, French mathematician and scientist Joseph Fourier figured that something keeps Earth warmer than a bare rock out in space: Our atmosphere.

From Seattle Times