semicovering

A projection that has the property that for any projection onto its image, it is possible to find a corresponding projection onto its domain such that locally constant regions about a point projected onto the image have locally constant ima

In this paper, by reviewing the concept of semicovering maps, we present some conditions under which a local homeomorphism becomes a semicovering map.

Something that partially covers, revealing or exposing a portion.

Always above the trees was a semicovering of taller jungle-variety trees.

These include no covering, hanging plants, sheer treatments (glass, sheer curtains, and drapes), semicoverings (cafe curtains, Spanish grillwork, leaded glass), complete opaque coverings such as shades, and solid screens, ...

Partially covering.

Therefore, pastel painted over a non-pastel medium base can be applied with heavier pressure and still retain its crisp, splattered appearance, and can be applied in a semicovering manner, allowing the ground colors to strike through for color or value contrast, much like working on a colored paper.

Belowground alley shadowed by semidome (A); by semicovering arches (B); by tree plantings (C) for hot, dry climates. and curved to trap the garbage.