The noun COLORIMETER has 1 sense: 1. a measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents. Familiarity information: COLORIMETER used as a noun is very rare.he noun COLORIMETER has 1 sense: 1. a measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents. Familiarity information: COLORIMETER used as a noun is very rare.
anhydride - a compound formed from one or more other compounds in a reaction resulting in removal of water. 1  acetic anhydride - a compound that is needed in order to refine opium into heroin. 2  phthalic anhydride - a white cyclic anhydride.
Functional class name = alkanoic anhydride Substituent suffix = -oic anhydride. 1  As the name implies, acid anyhydrides are derivatives of carboxylic acids. 2  In principle, they can be symmetric (where the two R groups are identical) or asymmetric (where the two R groups are different). As the name implies, acid anyhydrides are derivatives of carboxylic acids. 2  In principle, they can be symmetric (where the two R groups are identical) or asymmetric (where the two R groups are different).