n. The study and calculation of quantitative (measurable) relationships of the reactants and products in chemical reactions (chemical equations).
n. The quantitative relationship between the reactants and products of a specific reaction or equation.
the GNU version of the Collaborative International Dictionary of English
n. The art or process of calculating the atomic proportions, combining weights, and other numerical relations of chemical elements and their compounds.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. (chemistry) the relation between the quantities of substances that take part in a reaction or form a compound (typically a ratio of whole integers)
Word Usage
"Our study suggests that fitness of invasive zebra mussels is not constrained by nutrient stoichiometry which is likely to be important for their proliferation in novel ecosystems."