an object sticking out from the surface it is on an irregular shape or texture a raised or recessed area a sharp edge or point a texture that is different from the surrounding area a color or shade that is different from the surrounding area
protrusion which is an object sticking out from the surface it is on protrusion which is an irregular shape or texture protrusion which is a raised or recessed area protrusion which is a sharp edge or point protrusion which is a texture that is different from the surrounding area protrusion which is a color or shade that is different from the surrounding area