noun
- very thin lines or cracks
- the edge of hair growth on the head, especially at the forehead
Examples
- The antique vase had several hairlines running through the glaze.
- Hairlines in the concrete foundation indicated structural stress.
- The artist drew delicate hairlines to create texture in the sketch.
- His receding hairlines made him look older than his age.
- The mechanic found hairlines in the metal that could cause failure.
- She noticed hairlines forming around her temples as she aged.