obrotowej

Obrotowa is the feminine singular form of the Polish adjective obrotowy, meaning rotating or rotary. The base adjective describes objects, parts, or phenomena related to rotation. The form obrotowej is used with feminine nouns in genitive, dative, or locative singular; for example, część obrotowej maszyny translates to “the rotating part of the machine.”

In technical and engineering language, obrotowa appears in phrases referring to components or processes that rotate. Common expressions include część obrotowa, mechanizm obrotowy, wał obrotowy, and instalacja obrotowa. Plural forms are częśći obrotowe and mechanizmy obrotowe. The term also appears in descriptions of systems with rotating parts, such as bearing assemblies or rotary joints, where obrotowa helps specify the motion characteristic of the component.

Beyond engineering, obrotowa is used in geometry and physics to describe rotational properties. For example, symetria obrotowa means rotational symmetry, and ruch obrotowy denotes rotational motion. Related terms include moment obrotowy (torque) and bieg obrotowy (operating in rotation), illustrating the adjective’s broad applicability across disciplines concerned with rotation.

Etymology and usage notes: obrotowa derives from obrócić and obrót, forming the common Polish category of obrotowy/obrotowa/obrotowe to describe rotational attributes. The feminine form obrotowej is one of several inflected variants used to agree with feminine nouns in varied grammatical cases.