释义 |
stoi·chi·om·e·try \ˌstȯikēˈämə.trē\ noun (-es) Etymology: Greek stoicheion + English -metry 1. : a branch of science that deals with the application of the laws of definite proportions and of the conservation of matter and also energy to chemical reactions and processes 2. a. : the quantitative relationship of constituents in a chemical entity < aquo-cations of definite stoichiometry characterize crystalline salts — Therald Moeller > b. : the quantitative relationship between two or more substances especially in processes involving physical or chemical change < the stoichiometry and reversibility of ion exchange — Robert Kunin > |