Definition of Plumb line. Meaning of Plumb line. Synonyms of Plumb line

Here you will find one or more explanations in English for the word Plumb line. Also in the bottom left of the page several parts of wikipedia pages related to the word Plumb line and, of course, Plumb line synonyms and on the right images related to the word Plumb line.

Definition of Plumb line

Plumb line
Plumb Plumb, n. [F. plomb, L. plumbum lead, a leaden ball or bullet; cf. Gr. ?, ?, ?. Cf. Plummet, Plunge.] A little mass or weight of lead, or the like, attached to a line, and used by builders, etc., to indicate a vertical direction; a plummet; a plumb bob. See Plumb line, below. Plumb bob. See Bob, 4. Plumb joint, in sheet-metal work, a lap joint, fastened by solder. Plumb level. See under Level. Plumb line. (a) The cord by which a plumb bob is suspended; a plummet. (b) A line directed to the center of gravity of the earth. Plumb rule, a narrow board with a plumb line, used by builders and carpenters.

Meaning of Plumb line from wikipedia

- suspended from a string and used as a vertical direction as a reference line, or plumb-line. It is a precursor to the spirit level and used to establish a vertical...
- the plumb line deviates from the radial direction as a function of latitude. Only on the equator and at the North and South Poles does the plumb line align...
- centroid in such a way that it can freely rotate around the pin; the plumb line is then dropped from the pin (figure b). The position of the plumbline...
- or deflection of the vertical (DoV), also known as deflection of the plumb line and astro-geodetic deflection, is a measure of how far the gravity direction...
- ellipsoid would be a good base line for measurements. The difference between the direction of a plumb line or vertical, and a line perpendicular to the surface...
- between two points, or vertical lines by using the weight of the line reel as a plumb line. It is an important tool in carpentry, the working of timber in...
- The direction of PN will also differ from the direction of a vertical plumb line. The relation of these different heights requires knowledge of the shape...
- location, on the celestial sphere. "Above" means in the vertical direction (plumb line) opposite to the gravity direction at that location (nadir). The zenith...
- pendulum's plumb-bob slightly out of true (in the sense that it doesn't point to the centre of m**** of the Earth). The change in plumb-line angle against...
- bridges A-frame level: An A-frame with a plumb line hung from the vertex, used to establish a horizontal line; known in ancient Egypt, these were used...