Ekwiwalentna

Ekwiwalentna is a feminine adjective in Polish meaning equivalent or corresponding in value, amount, or function. It is the feminine form of the adjective ekwiwalentny and is used when describing feminine nouns.

In usage, ekwiwalentna denotes a relationship of interchangeability or parity between two quantities, objects, or concepts. It is common in scientific, technical, and economic language, where it can describe measures, values, or effects that are the same or comparable in a given context. Examples include phrases such as dawka ekwiwalentna (an equivalent dose), masa ekwiwalentna (an equivalent mass), and wartość ekwiwalentna (an equivalent value). The term is also used more generally to indicate that one thing can be substituted for another without substantial loss of meaning or function.

Etymology and morphology: ekwiwalentna derives from the noun ekwiwalent (equivalent) and the feminine suffix -na, forming the feminine adjective. The root ekwiwalent itself traces to the concept of equality of value, with possible influences from Latin aequivalens and related European sources through historical linguistic contact. As a gendered adjective, ekwiwalentna agrees with feminine nouns in number and case.

See also: ekwiwalent, ekwiwalencja, równoważny. In related disciplines, terms such as equivalence, equivalent dose, and equivalent value are used in English-language contexts to express parallel ideas.