Any technique by which an unknown color is evaluated in terms of standard colors. The technique may be visual, photoelectric, or indirect by means of spectrophotometry. It is used in chemistry and physics. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
D006846
Hydrocarbons, Halogenated
Hydrocarbon compounds with one or more HYDROGEN atoms substituted with HALOGENS.
Halogenated Hydrocarbons
D013729
Terpenes
A class of compounds composed of repeating 5-carbon units of HEMITERPENES.