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
is virtually equivalent
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is virtually equivalent" is correct and usable in written English.
It can be used when discussing two things that are almost the same or have very similar meanings or effects. Example: "In terms of functionality, the two software programs are virtually equivalent, offering similar features and performance."
✓ Grammatically correct
Science
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
8 human-written examples
Thus clause (i) is virtually equivalent to V1.
Science
This is virtually equivalent to adopting an "infinite" label space.
In both groups, the clinical functionality is virtually equivalent (M&G 2.25 ± 0.62 and T 2.19 ± 0.90), and this difference was not statistically significant (P = 0.62).
This method applies an iteration algorithm, which is virtually equivalent to the iteration algorithm of the unmodified Newton Raphson method combined with the vector potential formulation.
So, as it turns out, Peirce's definition of the difference between finite and infinite sets is virtually equivalent to the standard one, which is found in Section 5 of Richard Dedekind's Was Sind und Was Sollen die Zahlen?, to the effect that an infinite set is one that can be placed into a one-to-one correspondence with a proper subset of itself.
Science
This benefit basket is virtually equivalent to that of the NHS but include some additional benefits.
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
This is not the case in several real systems, in particular in shared clusters, in which even the load variation may cause performance problems that are virtually equivalent to faults.
The exogenous BMAL1 is not under control of the Bmal1 promoter and hence can not be affected by Rev-erbα; and (iii) BMAL1 protein levels are higher in the GSKβ−/− MEFs and D2R−/− mice than in their wild type counterparts, although Bmal1 circadian mRNA levels are virtually equivalent (Figs. 4 A,B and 5 A,B).
Science
Both the western blot and real-time RT-PCR showed that there was a dose-dependent inhibitory effect of the aptamer ZE2 on viral infection, and the inhibitory effect of 100 nM ZE2 aptamer was virtually equivalent to that of 500 IU IFN-α (Figs. 6B and 6C).
Science
Therefore, although outcomes were virtually equivalent in both arms, costs were higher in the intervention arm.
Science
The prognostic data obtained from the two measurements are virtually equivalent.
Science
Expert writing Tips
Best practice
When using "is virtually equivalent", ensure that the context clarifies the specific aspects in which the equivalence holds, as complete equivalence is rarely the case.
Common error
Avoid using "is virtually equivalent" when there are significant differences between the subjects being compared. The phrase implies a high degree of similarity, and misusing it can mislead the reader.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is virtually equivalent" primarily functions as a predicate adjective, modifying a subject to indicate a state of near equivalence. Ludwig's examples show its use in scientific and technical contexts to compare properties or outcomes.
Frequent in
Science
80%
News & Media
10%
Wiki
10%
Less common in
Formal & Business
0%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "is virtually equivalent" is used to express that two or more things are almost the same, with minor differences that do not significantly alter their effect or function. Ludwig AI confirms that the phrase is grammatically sound and commonly used, particularly in scientific and technical contexts. When using this phrase, ensure you're not overstating the degree of similarity and that the context clarifies the specific aspects of equivalence. Consider using alternatives like "is almost identical" or "is nearly the same" for subtle variations in meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is almost identical
Indicates a very high degree of similarity, bordering on indistinguishable.
is functionally equivalent
Focuses on the equivalence in terms of function or operation.
is nearly the same
Suggests a close resemblance with only minor differences.
is practically equal
Highlights the equivalence in a practical sense, despite possible theoretical differences.
is essentially similar
Focuses on the fundamental similarity, downplaying superficial differences.
is effectively interchangeable
Highlights the ability to substitute one for the other without significant impact.
is for all intents and purposes equivalent
Emphasizes the practical equivalence in almost every situation.
is much the same
A more informal way of expressing substantial similarity.
is roughly analogous
Implies a similarity that allows for comparison, but not necessarily complete equivalence.
is closely comparable
Suggests the possibility of drawing meaningful comparisons due to shared characteristics.
FAQs
How can I use "is virtually equivalent" in a sentence?
You can use "is virtually equivalent" to indicate that two things are almost the same or have the same effect in a particular context. For example, "In this scenario, option A "is virtually equivalent" to option B".
What's the difference between "is virtually equivalent" and "is identical"?
"Is virtually equivalent" implies a very high degree of similarity but not complete sameness, while "is identical" means they are exactly the same. Use "is virtually equivalent" when there are minor, negligible differences.
Are there formal alternatives to "is virtually equivalent"?
Yes, formal alternatives include "is functionally equivalent" or "is practically equal". These options maintain a similar meaning while sounding more professional.
When is it inappropriate to use "is virtually equivalent"?
It's inappropriate when there are significant or meaningful differences between the items being compared. For instance, if the performance varies widely under different conditions, using ""is virtually equivalent"" would be misleading.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested