plumb bob


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Related to plumb bob: plumb line

plumb bob

n.
A usually conical metal weight attached to the end of a plumb line. Also called plummet.

plumb bob

n
(Building) the weight, usually of lead, at the end of a plumb line; plummet

plum•met

(ˈplʌm ɪt)

n.
1. the piece of lead or other weight attached to a plumb line; bob of a plumb line.
v.i.
2. to fall straight or sharply down; plunge.
[1350–1400; Middle English plommet < Middle French, diminutive of plomb lead. See plumb, -et]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.plumb bob - the metal bob of a plumb lineplumb bob - the metal bob of a plumb line  
bob - a hanging weight, especially a metal ball on a string
plumb line, perpendicular - a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point
Translations

plumb bob

nLot nt, → Senkblei nt

plumb bob

npiombino
References in periodicals archive ?
About the present status of the structure, he said, when the position of columns was measured through plumb bob and other measuring instruments experts found the 33-foot tall structure with an equal size of plinth leaning seven inches towards the ground which was quite alarming.
You can buy a wallpapering kit for about PS10 (try Screwfix or B&Q), including a pasting brush, hanging brush, long scissors, paper scraper, seam roller, plumb bob, etc.
To ensure proper scope mounting and concentricity, students are taught how to handlap and true their scope rings, and scopes are properly centered within the rings by the use of a downrange plumb bob to eliminate any possible cant.
To make sure the wallpaper |will be hung perfectly straight, you will need a plumb bob or a spirit level.
Through its proprietary features, it will also save time on the job by eliminating the need for the use of a plumb bob.
This technique is especially useful for vaulted or sloped ceilings, where locating light fixtures would require a plumb bob.
Ultrasonic sensors were introduced many years ago, the mechanical plumb bob system is still in use and now radar sensors are popular.
The operators of the mule (hydraulic pumping unit) and the plumb bob (a pendulum that attaches to the aircraft to indicate its equilibrium) rapidly communicated this unusual situation and halted work.
It can become a spirit level, a surface level, a ruler, a protractor, a plumb bob and more.
I began by hanging a plumb bob between the rafters of the shed covering the kiln location to locate the centre of the circle for the kiln.
The HM]2 has two RS-485 networks, with a capacity of 16 sensors each, to support up to 32 SiloPatrol SMO SE "smart" plumb bob level sensors and/or Flexar guided wave radar level sensors.