Definition of photospectroscopy in US English:

photospectroscopy

noun

  • Spectroscopy in which photographic images are obtained of the spectra produced.

Origin

Late 19th century; earliest use found in William de Wiveleslie Abney (1843–1920), civil servant and photographic scientist. From photo- + spectroscopy.

Pronunciation

photospectroscopy

/ˌfəʊtə(ʊ)spɛkˈtrɒskəpi/