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.
Orphenadrine is a muscle relaxant. It works by blocking nerve impulses (or pain sensations) that are sent to your brain. Orphenadrine is used together with rest and physical therapy to treat skeletal muscle conditions such as pain or injury.