noun as in strong fondness

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Example Sentences

Example:A topological feature, such as a crosscap, represents a unique and invariant property of a surface.

Definition:a characteristic or aspect of a topological space that remains invariant under continuous transformations, similar to the aspects studied in the context of a crosscap.

From topological feature

Example:A surface singularity, like a crosscap, is a point that distinguishes the geometry of a surface in a non-trivial way.

Definition:a point where the surface properties are not well-defined or behave differently, akin to the singular point in the real projective plane.

From surface singularity