To surrender or relinquish, as sovereign power; to withdraw definitely from filling or exercising, as a high office, station, dignity; as, to abdicate the throne, the crown, the papacy. [imp. & p. p. Abdicated ( ); p. pr.
History of IR and FTIR spectroscopy. Chemical IR spectroscopy was emerged as a science in 1800 by Sir William Herschel. Firstly most IR instrumentation was based on prism or grating monochromators. Michelson invented interferometer in 1881.
The first electric light was made in 1800 by Humphry Davy, an English scientist. He experimented with electricity and invented an electric battery. When he connected wires to his battery and a piece of carbon, the carbon glowed, producing light.