plumb line

USAGE SUMMARY

The phrase "plumb line" is correct and can be used in written English.
It is typically used as a noun and refers to a weight tied to the end of a string or cord, used for determining verticality or depth. Example: "The construction worker used a plumb line to ensure that the wall was perfectly vertical."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

54 human-written examples

A C2 7 plumb line may be drawn to measure angulation of the cervical spine.

Seminars in Spine Surgery

The C7 plumb line method oversimplifies the true complexity of the spine.

The Spine Journal

Astronomical zenith is defined by gravity; i.e., by sighting up a plumb line.

Encyclopedia Britannica

"He's brilliant at accessing material and finding a plumb line through it".

The New Yorker

The part that is cut off should then be hung in sequence with a plumb line.

The New York Times

The name-dropping soon becomes the plumb line that measures the novel's shallows.

The Guardian - Books

Human-verified similar examples from authoritative sources

Similar Expressions

6 human-written examples

Trousers are plumb-line straight or, in the newer look, with wide legs that are almost culottes.

The New York Times

If it did, then a plumb-line should be deflected from the true vertical by an amount proportional to the gravitational attraction of the mountain range.

Encyclopedia Britannica

An analytical plumb-line calibration method is used, measuring only the coordinates of points on straight lines, regardless of the position and direction of these lines within the image.

Measurement

And a heavy lump of lead on a string formed the plumb-line builders used to ensure those walls were vertical.

BBC

The change in plumb-line angle against a known object such as a star could be carefully measured on opposite sides of the mountain.

Wikipedia

Expert writing Tips

Best practice

When using "plumb line" in technical writing, clearly define whether you are referring to the physical tool or its metaphorical application as a standard or reference point.

Common error

Avoid using "plumb line" metaphorically in contexts where a literal interpretation is more likely. For example, in construction documents, stick to the tool's physical function to prevent ambiguity.

Linguistic Context

The phrase "plumb line" functions primarily as a noun, referring either to the physical tool used for determining verticality or, metaphorically, to a standard or principle. Ludwig AI confirms its correct usage as a noun in various contexts.

Expression frequency: Very common

Frequent in

Science

33%

News & Media

33%

Encyclopedias

12%

Less common in

Wiki

12%

Formal & Business

0%

Social Media

0%

Ludwig's WRAP-UP

The phrase "plumb line" is a common and grammatically correct noun, as confirmed by Ludwig AI. It primarily refers to a tool used to establish a true vertical, but it also serves as a metaphor for a standard of integrity or a guiding principle. Its usage spans across various contexts, including science, news, and encyclopedias, with a slightly more formal tone in technical or scientific settings. Remember to maintain clarity in your writing by distinguishing between the literal and figurative uses of "plumb line".

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

vertical alignment

Focuses on the state of being aligned vertically, rather than the tool used to achieve it.

line of gravity

Describes the line along which gravity acts, closely related to the physical principle behind a plumb line.

true vertical

Emphasizes the accuracy and correctness of the verticality.

perpendicular line

Describes a line that is at a right angle to a horizontal plane, serving a similar function.

vertical reference

Highlights the use of a vertical standard for comparison or measurement.

straightedge

This alternative describes any tool that allows to trace or verify straightness of a line, and it is commonly used as "plumb line".

guiding principle

Abstracts the concept to a general principle that provides direction, similar to how a plumb line provides vertical direction.

leveling tool

This alternative describes the whole set of tools that allows to verify the verticality of an object.

method of alignment

Emphasizes the act of aligning something to a vertical plane.

moral compass

This is a metaphoric alternative, for someone's sense of right and wrong.

FAQs

How is a "plumb line" used in construction?

In construction, a "plumb line" is used to establish a true vertical. It helps ensure that walls, posts, and other structures are perfectly upright, crucial for stability and aesthetic correctness.

What is the difference between a level and a "plumb line"?

A level is used to establish a horizontal plane, while a "plumb line" is used to establish a vertical line. Both tools are essential for ensuring structures are properly aligned and balanced.

Can "plumb line" be used metaphorically?

Yes, "plumb line" can be used metaphorically to represent a standard of integrity or a guiding principle. For example, one might say that someone's conscience acts as their "moral compass", guiding them to do what is right.

What are some alternative terms for "plumb line" in technical contexts?

In technical contexts, alternatives to "plumb line" include "vertical alignment", "true vertical", or "perpendicular line" depending on the specific aspect you want to emphasize.