plumb line


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plumb line

n.
1. A line from which a weight is suspended to determine verticality or depth.
2. An imaginary line regarded as directed exactly toward the earth's center of gravity.

plumb line

n
1. (Navigation) a string with a metal weight at one end that, when suspended, points directly towards the earth's centre of gravity and so is used to determine verticality, the depth of water, etc
2. (Building) another name for plumb rule

plumb′ line`


n.
1. a cord with a lead bob attached to one end, used to determine perpendicularity, the depth of water, etc. Compare plumb (def. 1).
[1530–40]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.plumb line - a cord from which a metal weight is suspended pointing directly to the earth's center of gravityplumb line - 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
cord - a line made of twisted fibers or threads; "the bundle was tied with a cord"
lead line, sounding line - (nautical) plumb line for determining depth
plumb, plumb bob, plummet - the metal bob of a plumb line
plumb rule - a plumb line attached to a narrow board
Translations

plumb line

n (builder's) → filo a piombo (Naut) → scandaglio
References in classic literature ?
This silence was broken by one of the brethren, who led Pierre up to the rug and began reading to him from a manuscript book an explanation of all the figures on it: the sun, the moon, a hammer, a plumb line, a trowel, a rough stone and a squared stone, a pillar, three windows, and so on.
The Plumb Line 2018 festival, celebrating 100 years of the Diocese of Coventry, begins with Peace & Poetry.
The following main groups of activities are included in the scope of the public procurement: 1 / preparatory activities, Including arranging and organizing the contractor~s site; 2 / disassembly of machinery and equipment; 3 / destructive activities, Including drilling and blasting operations; 4 / displacement of the plumb line u 1000 mm; 5 / displacement of 2 pcs.
A plummet or plumb line consists of a vertically held cord which has a lead weight at one end to determine precise vertical direction.
Using a self--levelling cross line laser level will keep your plumb line precisely straigh
Instead, create a straight vertical line using a plumb line or chalk reel, and do this each time you go round a corner.
Use a level and draw a straight plumb line about 1/4 in.
A plumb line is nothing more than a piece of string with a pointed weight on the end.
If plumb line direction is calculated using a series of ~100 readings (obtained within 10-20 seconds), estimated direction accuracy should be well below 0.
From there, work around the room, and create a new plumb line each time you round a corner.
From there, work around the room in the way that feels most natural to you, and create a new plumb line each time you go round a corner.
The latitudes were found from stars near the zenith whose positions were measured by means of an instrument called a "zenith sector", and referred to the local vertical through the use of a plumb line.