line of levels
Noun
Meaning
line of levels (plural lines of levels)
A connected series of measurements, by means of a level, along a given line, such as that of a railroad, to ascertain the profile of the ground.
Noun
line of levels (plural lines of levels)
A connected series of measurements, by means of a level, along a given line, such as that of a railroad, to ascertain the profile of the ground.