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
it stays constant
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it stays constant" is correct and usable in written English.
You can use it when discussing something that remains unchanged over a period of time or under certain conditions. Example: "In this experiment, the temperature of the solution stays constant throughout the reaction."
✓ Grammatically correct
Science
News & Media
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
10 human-written examples
In addition, a 2006 study by Harvard researchers published in the journal Psychological Science used these tests to show how this implicit bias is present in white children as young as 6 years old, and how it stays constant into adulthood.
News & Media
It stays constant for other resampling methods when no mechanism is formulated to alter the amount of particles.
Science
Similarly, the value of the loss tangent is between 0.031 and 0.023 in the range 5 to 40 GHz (see Figure 5b), while it stays constant at 0.023 in the range 140 to 210 GHz, with a maximum deviation of 0.005.
Science
Beyond this time, PFP as a function of time since infection has not been directly observed, so we construct two hypothetical scenarios (Figure 1); it stays constant over time since infection at 5% (as implied by Hargrove et al. [14]: Scenario A), or it increases over time since infection to 50% after 20 years (Scenario B).
Science
The distinct responses of these two parasitoids show parallels with blend quantity released by the plant: the total amount of odour increases with CWB density, just as the response of the parasitoid C. glomerata, but it stays constant and high with DBM density, just as the response of the parasitoid C. vestalis.
Science
Cu is almost inactive and the reaction rate decreases fast to zero with time on-stream while it stays constant for the other catalysts for at least 1 hour.
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
Moreover, plasma lysozyme concentration increased in females without access to the preen gland, while it stayed constant in control females during the experiment (Treatment: F1,30 = 4.8, P = 0.04; Time*Treatment: F1,30 = 4.6, P = 0.04, Figure 1 and Table 1).
Science
Strikingly in agreement with this density-dependent response, the quantity of all HIPV together increased significantly with damage level for CWB-damaged cabbage plants (cv Shikidori), whereas it stayed constant and high at all damage levels for DBM-damaged cabbage plants (cv Shikidori) (Figure 4a, b; Table S4).
Science
Seroprevalence for women increases dramatically between ages 20 30, after which it largely stays constant, except for Hispanic women for whom it continues to increase with age.
Science
It then stays constant thereafter.
Science
The remarkable colors surrounding the two snow-striped Aspen peaks and ultra-reflective lake change throughout the year, but one thing stays constant: It feels like a painting come to life.
News & Media
Expert writing Tips
Best practice
When using "it stays constant", ensure the subject you're referring to has been clearly defined to avoid ambiguity. For example, instead of "it stays constant", use "the temperature stays constant".
Common error
Avoid using "it stays constant" when referring to dynamic processes that exhibit minor fluctuations. The phrase suggests a complete absence of change, which may not always be accurate.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it stays constant" primarily functions as a descriptive statement indicating that a particular subject maintains a consistent state or value over time. As Ludwig AI states, this phrase is considered correct and usable in English.
Frequent in
Science
60%
News & Media
30%
Formal & Business
10%
Less common in
Wiki
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "it stays constant" is a grammatically sound expression used to indicate that something maintains a consistent state over time. As Ludwig AI confirms, it's a correct and usable phrase. Predominantly found in scientific and news contexts, it conveys stability and absence of change. While alternatives like "it remains unchanged" offer subtle variations, "it stays constant" effectively communicates the idea of maintaining a fixed condition. Be mindful of the context to ensure the phrase accurately reflects the situation, avoiding its use when minor fluctuations are present.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it remains unchanged
Focuses on the lack of alteration rather than the continuous state.
it holds steady
Implies a resistance to change or fluctuation.
it is invariable
Highlights the absolute lack of variation.
it persists unchanged
Emphasizes the continuation of a specific state without alteration over time.
it maintains its value
Specifically refers to something retaining a certain quantified attribute.
it doesn't fluctuate
Highlights the absence of oscillation or variation.
it stabilizes
Indicates a process of becoming steady after a period of instability.
it plateaus
Describes reaching a level where no further increase or decrease occurs.
it is consistent
Stresses uniformity and predictability over a period.
it endures as is
Emphasizes the continuation of existence in the current condition.
FAQs
How can I rephrase "it stays constant"?
You can use alternatives like "it remains unchanged", "it holds steady", or "it is invariable" depending on the context.
What does "it stays constant" mean?
The phrase "it stays constant" means that something remains at the same level, value, or state without changing over a period of time.
In what contexts is "it stays constant" commonly used?
"It stays constant" is often used in scientific, technical, and economic contexts to describe variables or conditions that do not fluctuate. Examples include temperature, speed, and pressure.
Is there a difference between "it stays constant" and "it remains constant"?
While very similar, "it stays constant" implies active maintenance of a state, whereas "it remains constant" suggests a more passive continuation of a state. In most cases, they are interchangeable.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested