huyghens

Huygens

[hahy-guhnz, hoi-; Dutch hoi-gens]
noun
Christian [kris-chuhn; Dutch kris-tee-ahn] , 1629–95, Dutch mathematician, physicist, and astronomer.
Also, Huyghens.
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World English Dictionary
Huygens (ˈhaɪɡənz, Dutch ˈhœixəns)
 
n
Christiaan (ˈkristiːˌaːn). 1629--95, Dutch physicist: first formulated the wave theory of light

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American Heritage
Science Dictionary
Huygens   (hī'gənz, hoi'gěns)  Pronunciation Key 
Dutch physicist and astronomer who in 1655 discovered Saturn's rings and its fourth satellite, using a telescope he constructed with his brother. In 1657 he built the first pendulum clock. Huygens also proposed that light consists of transverse waves that vibrate up and down perpendicular to the direction in which the light travels. This theory, which explained some properties of light better than Newton's theory, was made public in 1690.
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