Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
on the axis
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "on the axis" is correct and can be used in written English.
It refers to a point or line along the length of an object, such as an axis or axle in a machine. For example, you could say: "The gears of the machine are fixed on the axis and rotate as one."
✓ Grammatically correct
News & Media
Science
Academia
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
"In one way or another, this government is on the axis of the Syrian-Hezbollah interests".
News & Media
If this square cosine is close to one, it means that the element is well projected on the axis [ 58].
Science
Sets the Range on the axis axis to range.
Academia
The section on the "axis of evil" speech is wordy.
News & Media
The government chose to build the Olympic Stadium on the axis, too.
News & Media
In fact, there's been a different strategy for each point on the axis.
News & Media
Mao Zedong's mausoleum, also in the square, is on the axis, too.
News & Media
This is what life is like on the Axis of Evil.
News & Media
Sun Ruonan's ancestors opened a bakery on the axis south of Tiananmen Square in the 1840s.
News & Media
The ViewBase class may depend on the axis ranges being set.
Academia
The building is articulated as two masses joined on the axis.
Academia
Expert writing Tips
Best practice
When using "on the axis" in technical writing, ensure the specific axis (x, y, z, or a conceptual axis) is clearly defined to avoid ambiguity. For example, specify 'on the x-axis' or 'on the axis of political ideology'.
Common error
Avoid using "on the axis" when referring to topics that are merely related but not fundamentally aligned along a defined axis. Incorrect: 'The debate was on the axis of economic policy', when it should be 'related to economic policy'.
Source & Trust
81%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "on the axis" primarily functions as a prepositional phrase, modifying nouns or clauses by indicating location, alignment, or relation to a specific axis. As Ludwig AI confirms, it is grammatically sound and serves to pinpoint a position along a central line, whether literal or figurative.
Frequent in
News & Media
32%
Science
31%
Academia
18%
Less common in
Encyclopedias
12%
Wiki
3%
Formal & Business
2%
Ludwig's WRAP-UP
In summary, the phrase "on the axis" is a versatile prepositional phrase used to indicate location, alignment, or relation to a specific axis. As Ludwig AI confirms, it is grammatically correct and frequently used across diverse contexts, including News & Media, Science, and Academia. While seemingly straightforward, its precise meaning can vary depending on the context, making it essential to ensure clarity when using it. Consider alternatives like "along the axis" or "in line with" based on the intended nuance. Awareness of potential misapplications, such as using it for loosely related topics, can further enhance its effective use.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
along the axis
Replaces 'on' with 'along', emphasizing movement or extension within the axis.
along the line of the axis
Similar to "along the axis", focusing on a path or direction.
in line with the axis
Indicates alignment or agreement with the direction or principle of the axis.
centered on the axis
Emphasizes that something is positioned directly in the middle of the axis.
aligned with the axis
Similar to 'in line with', but focuses more on the visual or structural alignment.
on the centerline
A more technical term, often used in engineering and design, referring to the central line.
at the heart of the axis
Implies that something is central or fundamental to the axis.
with respect to the axis
Indicates a relationship or orientation relative to the axis.
relative to the axis
Similar to 'with respect to the axis', highlighting the comparative positioning.
in terms of the axis
Emphasizes that something is being considered or evaluated based on the axis.
FAQs
How is "on the axis" used in mathematics and science?
In mathematics and science, "on the axis" refers to a specific location or data point situated along a defined axis of a graph or coordinate system. For example, a point can be plotted "on the axis" to show its value in relation to that axis.
What does it mean to say something is "on the axis" of a particular issue?
Figuratively, "on the axis" can mean that something is central to or fundamentally aligned with a core principle or theme. For instance, if a political debate centers "around the issue" of healthcare, it could be said that healthcare is "on the axis" of that debate.
Which is the correct term, "on the axis" or "along the axis"?
Both "on the axis" and "along the axis" are correct, but they convey slightly different meanings. "On the axis" generally indicates a specific point or location, while "along the axis" implies movement or extension along the length of the axis.
Can "on the axis" be replaced with "in line with" in all contexts?
While "in line with the axis" can sometimes be used interchangeably with "on the axis", it's more suitable when emphasizing alignment or agreement rather than a precise location. The appropriateness depends on the specific context of the sentence.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.6/5
Expert rating
Real-world application tested