Definition of Herschel, Sir John in English:

Herschel, Sir John

proper noun

  • (1792–1871), English astronomer and physicist, son of William; full name Sir John Frederick William Herschel. He extended the sky survey to the southern hemisphere, carried out pioneering work in photography, and made contributions to meteorology and geophysics.

Pronunciation:

Herschel, Sir John

/ˈhəːʃ(ə)l/