In roofing, the characteristic lines that develop during the aging process of soft bitumens. Also, minor cracking that resembles spider veins occurs naturally during the curing process of cement. Thes [..]

Used to describe the veins within a daylily's tepals when they are of a contrasting color.

In roofing, the characteristic lines or "stretch marks" which develop during the aging process of soft bitumens.

a technique of painting when half-opaque or thin opaque colours are spread on underpainting. It makes parts of a colour bleeding from the lower layer of painting.

An arrangement of veins or veinlike markings