Bestimmungsgröße
Bestimmungsgröße is a term used in German-language science to denote a quantity whose value determines or strongly influences the state, behavior, or outcome of a system. It functions as a parameter that fixes the conditions under which a model or experiment operates. In many contexts it is similar to a control parameter or driving variable, though its precise meaning can vary by field.
The concept is often contrasted with measured quantities (Messgrößen), which are observed or recorded rather than
Examples appear across disciplines. In physics and chemistry, temperature can be a Bestimmungsgröße because it determines
Terminology and usage vary: some authors use Bestimmungsgröße interchangeably with terms like Bestimmungsparameter, Steuergröße, or Einflussgröße,