A measuring device used to determine one's relative distance to an object.

It was a very relative distance, and "close" felt very far away just then.

The length of the branches indicates the relative distance between the species.

This line indicates the sun's relative distance to the center of the galaxy.

The binary numbers next to the planets show the relative distance to the sun.

The spy preserved the same relative distance between them, and followed: with his eye upon her.

He could detect relative distances for a much greater range.

An indicator provides information about the enemy's altitude and relative distance.

Note that the scale and zero point are arbitrary - only the relative distance of the lines is important.

For any given laser, the relative distances shown here may change.