plumb line

(redirected from plumb lines)
Also found in: Dictionary, Thesaurus, Encyclopedia.

plumb line

(plŭm līn)
The line that is formed when a string with a weight tied at the end is suspended vertically.
Mentioned in ?
References in periodicals archive ?
* Self-leveling laser plumb lines are available that project a vertical laser line onto any surface.
The first year of common observations of plumb lines variations carried out with the help of two tiltmeters of different classes provided us with new information about presently applied methodology of measurements, as well as with the interpretation of obtained results.
"They have been learning about building materials, spirit levels, plumb lines, different types of bricks, damp coursing - all aspects of construction really.
* Mark plumb lines at least as often as we recommend.
When perpendicular at the sole/ table axes is reestablished the examiner drops an imaginary plumb line from the anterior face of the patella (line 3), parallel to the table, down to the "ground" (line 1), and notes at which site on or distal to the foot the plumb bob "touches." This site is noted, and might be toe tips, or 4 cm distal to toe tips, or 6 cm proximal to toe tips, and so forth.