In the Beer Lambert Law (equation 3) the term IT/Io is called transmittance. This form of spectroscopy has a setup similar to the one used for Absorption. Reflectance spectroscopy is the study of light as a function of wavelength that has been reflected or scattered from a solid, liquid, or gas.
Definition of metadata: Data that serves to provide context or additional information about other data. For example, information about the title, subject, author, typeface, enhancements, and size of the data file of a ...
Download the .pdf of the chapter here. Metadata Basics. In simple terms, metadata is data about data, and if managed properly, it is generated whenever data is created, acquired, added to, deleted from, or updated in any data store and data system in scope of the enterprise data architecture.