Gravimetric analyses, also known as quantitative analyses, involve the determination of the quantity of a substance based on its weight. There are several synonyms for gravimetric analyses that can be used interchangeably. These include mass spectrometry, atomic absorption spectrometry, and spectroscopy. The use of gravimetric analyses is prevalent in the field of chemistry and other sciences where precise measurements are required. It is also widely used in the pharmaceutical industry where it is necessary to determine the purity of drugs and their ingredients. Overall, gravimetric analyses are an essential tool in many industries, and understanding their synonyms can help in communication and understanding within these industries.