What does it mean to be plumb?
When something is plumb , it means it’s straight up and down. If a post installed in flat ground is leaning in any direction, it’s out of plumb . If it’s at a 90-degree angle to the ground on all sides, it’s plumb . To be plumb is to be parallel with the force of gravity.
What is a plumb in construction?
Plumb is defined as being perfectly vertical, as determined with a level or a plumb bob. In construction , a plumb object maximizes the force of gravity by transferring a load straight down to the ground. Any deviation from plumb weakens that force.
What’s the difference between plumb and level?
Level is always gauged by a device, such as a carpenter’s level , but level does not always mean parallel to the ground. Plumb is vertical, most accurately gauged by a plumb bob. Levels can show when posts are plumb .
What is a plumb line used for?
A plumb line is a weight suspended from a string used as a vertical reference line to ensure a structure is centered. As they always find the vertical axis pointing to the center of gravity, they ensure everything is right, justified and centered.
What does plumb out mean?
Plumb is the word that has to do with your pipes and plumbing. It’s often used in the phrases ” out of plumb ” and “off plumb ” to mean ” out of vertical or true,” or “not precisely vertical.”
What does plumb full mean?
1 a weight, usually of lead, suspended at the end of a line and used to determine water depth or verticality.
Why is it called plumb?
major reference. A plumb line is a light line with a weight ( plumb bob) at one end that, when suspended next to a workpiece, defines a vertical line. Plumb comes from the Latin plumbum, or “lead,” the material that replaced stone as…
What is a plumb point?
The point at which a vertical line through the perspective center of the camera lens intersects the photo plane. It is the point in the photo plane immediately below the lens at the instant of exposure. Also called camera nadir, photo plumb point , and a nadir point .
How does a plumb line work?
The plumb bob or plumb line employs the law of gravity to establish what is “ plumb ” (that is, what is exactly vertical, or true). You don’t have to be a physics whiz to understand that a string suspended with a weight at the bottom will be both vertical and perpendicular to any level plane through which it passes.
Does plumb mean level?
Plumb is the counterpart to level , which means to be perfectly horizontal. And just as floors, countertops, and pool tables must be level , vertical elements such columns, walls, and uprights must be plumb for proper construction and load-bearing capacity.
How do I test my plumb level?
You can perform a similar test to check that your level gives you an accurate plumb reading. Hold the level up against a door frame, take note of the bubble location, then flip it vertically 180 degrees and check for plumb again. If the bubble stays in the same location, your level is accurate.
What does plumb crazy mean?
plumb crazy (comparative more plumb crazy , superlative most plumb crazy ) (informal) Thoroughly crazy ; quite mad.
What is a plumb line in anatomy?
The plumb line is a spatial term that places the body or bodies in relationship to the ground below. In proper anatomical position the joints would line up with a straight plumb line to the floor. A plumb line between two bodies.
What is a plumb line for wallpaper?
Your first wall plumb line will be a guide for aligning the first strip of wall coverings you put up. Strike the plumb line a wall covering strip’s width minus one-half inch from the doorway starting point. Each time you turn a corner, create a new plumb line to get a fresh alignment.
What is the plumb line in Zerubbabel’s hand?
The purpose of a plumb line is to determine a straight vertical line . When the cord is held up with the weight dangling at the bottom, the result is a straight line .