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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

invariable over time

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "invariable over time" is correct and usable in written English.
It can be used to describe something that remains constant or unchanged throughout different periods. Example: "The laws of physics are considered invariable over time, regardless of the circumstances."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

As becomes clear from the analysis of his articles and speeches, his understanding of the union's basic principles has been practically invariable over time.

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

"People change over time.

News & Media

The New York Times

The surface reradiation (around 10 kW m−2) is thus fairly invariable over burning time and different external heat fluxes.

Importantly a site can shift from being variable to being invariable (and vice versa) over time.

OT = Over-time.

News & Media

BBC

According to the principle of the output powder cumulative volume invariable in unit time, the real time powder allocation formulae are deduced.

Furthermore, 5 out of the 8 mutations in the head of the F protein are concentrated in a short invariable region at position 364 411, suggesting that the observed mutations are actually selected over time by the host immune responses.

Science

Plosone

would disappear over time.

News & Media

The New Yorker

Measure it over time.

News & Media

The New York Times

Over time, yeah.

Over time, variations proliferated.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

To enhance precision, specify the aspects that remain "invariable over time". For instance, rather than saying 'the process was invariable over time', specify 'the efficiency of the process was invariable over time' to highlight specific characteristics.

Common error

Avoid using "invariable over time" when "immutable" is more appropriate. "Invariable" suggests a lack of change within a specific context or set of conditions, while "immutable" implies an absolute, unchangeable nature, regardless of context. Therefore, "immutable" is more fit for laws of nature, and "invariable" for processes.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

81%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "invariable over time" functions as an adjective phrase modifying a noun, indicating that the noun's characteristic remains constant. Ludwig AI indicates its correctness and usability. It describes a state of consistency across a duration.

Expression frequency: Common

Frequent in

Science

35%

News & Media

35%

Formal & Business

15%

Less common in

Wiki

10%

Encyclopedias

3%

Reference

2%

Ludwig's WRAP-UP

The phrase "invariable over time" is a grammatically sound and frequently employed expression used to describe something that remains constant across a duration, as confirmed by Ludwig. It appears across diverse contexts, ranging from science and news media to formal business settings. Though versatile, it's important to differentiate its meaning from similar terms like "immutable". For more formal situations, consider alternatives like "constant throughout the period" or "static across the duration". When writing, it is always a good practice to define the timeframe in question. Keep these simple steps to keep improve your content with this phrase!

FAQs

How can I rephrase "invariable over time" to sound more formal?

Consider using phrases such as "constant throughout the period", "static across the duration", or "unchanging over the specified timeframe" for a more formal tone.

What does it mean when something is described as "invariable over time"?

It means that a particular aspect or characteristic of something has remained constant or unchanged throughout a specific duration. This suggests a stable or consistent nature that does not fluctuate or vary. For example: the laws of physics are considered invariable over time, regardless of the circumstances.

Is "constant over time" the same as "invariable over time"?

Yes, "constant over time" and "invariable over time" are largely synonymous. Both phrases describe something that remains unchanged or consistent across a duration. The choice between them often comes down to stylistic preference.

In what contexts is it most appropriate to use the phrase "invariable over time"?

The phrase "invariable over time" is appropriate in contexts where you want to emphasize the consistency or stability of something across a specific duration. It's common in scientific, technical, or analytical discussions where precision and lack of change are key points.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

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.

Source & Trust

81%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: