Relating to or denoting quantities of reactants which are not in a simple integral ratio or are not in the ratio expected from an ideal formula or equation.
 Example sentencesExamples
-  The various non-stoichiometric substituents may be responsible for these observations, which subsequently may lead to the observed inclination.
 -  Further, reduction in starch accumulation was non-stoichiometric.
 -  One of the most significant advances in the understanding of non-stoichiometric compounds was Andersen's concept of infinitely adaptive structures.
 -  Liquid clathrates are two-phase systems consisting of an upper layer (typically pure solvent) with a clathrate species residing in a lower layer in a non-stoichiometric, but fixed, proportion of solvent.