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 ...
metadata - Computer Definition. From the Greek meta, meaning beside or after, and the Latin datum, meaning what is given. Data about data, that is, data that describes other data. For example, the title, subject, publisher, and author comprise metadata about its contents. (1) (The Metadata Company, LLC, Long Beach, CA, www.metadata.com). Formerly Metadata Information Partners, Metadata is a software firm offering a variety of data management products and services. In 1986, the U.S. Patent and Trademark Office granted the company incontestable status for the Metadata trademark.