spec·tros·co·py 
(spĕk-trŏskə-pē)
(spĕk-trŏskə-pē)n. pl. spec·tros·co·pies
1. The study of spectra, especially experimental observation of optical spectra or mass spectra, to determine the properties of their source.
2. A variety or instance of such study.
spec·trosco·pist n.
- inflationary
- inflationary universe
- inflationism
- inflationist
- inflation theory
- inflator
- inflect
- inflection
- inflectional
- inflectionally
- inflection point
- inflective
- inflector
- inflexed
- inflexibility
- inflexible
- inflexibleness
- inflexibly
- inflexion
- inflict
- inflicter
- infliction
- inflictive
- inflictor
- in-flight