Definition of Plumb bob

1. Noun. The metal bob of a plumb line.

Exact synonyms: Plumb, Plummet
Generic synonyms: Bob
Group relationships: Perpendicular, Plumb Line
Derivative terms: Plumb, Plumb

Definition of Plumb bob

1. Noun. A metal weight attached to the end of a plumb line. ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Plumb Bob

plum tomatoes
plum toms
plum tree
plum trees
plum wine
pluma
plumage
plumaged
plumages
plumate
plumb
plumb-
plumb-bob
plumb bob
plumb bobs
plumb crazy
plumb level
plumb line
plumb lines
plumb rule
plumbable
plumbage
plumbages
plumbagin
plumbaginaceous
plumbagineous
plumbaginous
plumbago

Literary usage of Plumb bob

Below you will find example usage of this term as found in modern and/or classical literature:

1. Plane Surveying: A Text-book and Pocket Manual by John Clayton Tracy (1907)
"Plumb-bob. Do not begin the day's work by leaving the plumb-bob behind. The string to the bob is looped over a hook under the center of the transit, ..."

2. Forest Mensuration by Herman Haupt Chapman (1921)
"Hypsometers Based on the Pendulum or Plumb-bob. These angles can be read as easily from a pendulum, with graduated arc placed below. ..."

3. American Journal of Roentgenology by American Radium Society (1921)
"The only special apparatus used is a plate tunnel and a plumb-bob. They availed themselves of the stereoscope to identify the points from which to measure ..."

4. Mining Engineers' Handbook by Robert Peele (1918)
"Tbe cases f>. which carry the compass far the magnetic needle and plumb-bob, are of vulcanite, for purposes, tbe compass attachments being of brass, ..."

5. The Civil Engineer's Pocket-book by John Cresson Trautwine (1919)
"... and thus ;i: iu,- the plumb-bob exactly over the center with less trouble than by the older method of pushing one or two of the legs further into the ..."

6. NBS Special Publication (1919)
"Carson plumb bob Test. ... wherein a plumb bob was used to determine the properties of lime plaster, was devised by William E. Carson. ..."

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