kreisförmige

Kreisförmige is a German adjective meaning circular or ring-shaped, used to describe objects or structures whose form approximates a circle or a hollow ring. The word is formed from Kreis (circle) and -förmig (shaped), and it is declined according to the gender, number, and case of the noun it modifies. In attributive position before nouns, the form can be kreisförmige (feminine singular or plural), kreisförmiger (masculine singular), or kreisförmiges (neuter singular). In predicative use, the adjective appears as kreisförmig, as in Die Fläche ist kreisförmig (The area is circular).

Typical uses appear in geometry, biology, engineering, and everyday descriptions. Examples include eine kreisförmige Fläche (a circular area), eine kreisförmige Öffnung (a circular opening), or kreisförmige Strukturen in organischen Geweben. The term helps distinguish shapes that are truly circular from other rounded forms, though in casual language the more general Begriff rund or rundförmig may be used as synonyms in less technical contexts.

Relation to related terms: kreisförmig is a closely related form often used interchangeably in many contexts, while ringförmig specifically emphasizes a ring-like, hollow geometry. Both terms are part of a broader vocabulary for describing shapes in German.

In summary, kreisförige serves as a precise, descriptive adjective for circular or ring-shaped features, commonly found in scientific and technical writing as well as descriptive prose.