| Provisional stamps are usually made by overprinting, surcharging and occasionally by bisecting pre-existing stamps. |
| One that really caught my attention was of three concentric circles with a vertical line bisecting them. |
| The locus of a point equidistant from the faces of a dihedral angle is the plane bisecting the angle. |
| The EV Kit contains a smiley face card made from an A4 size laminated card with two perpendicular lines bisecting each other to form a cross. |
| Nest orientation was then recorded, relative to magnetic north, as the azimuth bisecting the nest opening. |
| The contrail went straight up, bisecting the Sun, forcing the crowd to squint and awkwardly block the Sun to see the contrail. |
