What is another word for part per million?
Pronunciation: [pˈɑːt pɜː mˈɪli͡ən] (IPA) 
Part per million, often abbreviated as ppm, is a unit of measurement used to quantify the concentration of a substance in a solution. There are several synonyms for ppm, including milligrams per liter, micrograms per cubic meter, and parts per billion. These units are commonly used in different fields of science, including environmental and medical research, as well as in chemical manufacturing processes. The use of accurate and precise measurement units is crucial for ensuring that the concentrations of substances are within safe and acceptable limits. Therefore, scientists and researchers must be familiar with the various synonyms of ppm and understand their specific applications in their respective fields.
