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
in either conditions
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "in either conditions" is not correct in standard written English.
The correct expression should be "under either condition" or "in either condition." Example: "The experiment will yield the same results in either condition, whether the temperature is high or low."
⚠ May contain grammatical issues
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
2 human-written examples
This was not the case for HD cells of the PoSub, in either conditions.
Science & Research
Flux matrix was then subjected to a series of filtering processes; initial 979 reactions were reduced to 377 reactions from t-test, 213 reactions after filtering reactions that have non-zero fluxes in more than 95% of samples in either conditions, and finally 106 core reactions after removing duplicate reactions and selecting one of them for subsequent analysis.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
There was no attrition in either condition.
Science
Other than crosslinks between H3 effector peptide and KDM5A, few crosslinks were enriched in either condition more than twofold.
Science & Research
Further characterization showed no significant difference in the intrinsic properties of iN cells reprogrammed in either condition.
Academia
Genes expressed at 1 RPKM in at least 90% of the samples in either condition 1 or condition 2 were kept for the analysis.
Science & Research
And one reason to think that might be the case, if you look at the data from the three-year-olds, they don't learn in either condition.
No change was found for other TMS variables (motor thresholds or map location/volume/area) in either condition.
Science
MDA-MB-231 and MCF-10A cells did not form clusters in either condition but still present a decrease in cell-to-cell polarity under hypoxic conditions (Figs 2A and S1).
Science & Research
For example, some are aerobes (require oxygen), some are anaerobes (grow only in the absence of oxygen), and some are facultative (they grow in either condition).
Encyclopedias
Ten GP-trainees performed care-as-usual consultations, were subsequently assigned to a training in either Condition 1 or 2, and performed the trained conversations.
Expert writing Tips
Best practice
Always use the singular form "condition" when referring to one of two options. The correct phrase is "in either condition".
Common error
Avoid using the plural "conditions" after "either". "Either" refers to one of two options, so the singular form is grammatically correct.
Source & Trust
83%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "in either conditions" functions as a prepositional phrase aiming to specify the circumstances under which a certain statement or result holds true. However, it is grammatically incorrect. As Ludwig AI points out, the correct form is "in either condition".
Frequent in
Science
100%
News & Media
0%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "in either conditions" is grammatically incorrect; the correct form is "in either condition". It attempts to specify that a statement holds true regardless of which of the two conditions is present. Despite its grammatical inaccuracy, Ludwig found examples of its use in scientific contexts. Alternative phrases include "in either condition" and "under either condition". Remember to use the singular form of "condition" when using "either" to maintain grammatical correctness.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
in either condition
Corrects the grammatical error by using the singular form of "condition".
under either condition
Replaces "in" with "under", offering a grammatically correct alternative with a slightly different nuance.
in both conditions
Shifts the focus to both conditions instead of either, implying a consideration of both scenarios.
under both conditions
Replaces "in" with "under" and shifts the focus to both conditions instead of either.
in any of the conditions
Emphasizes that the statement applies to every condition considered.
under any of the conditions
Emphasizes that the statement applies to every condition considered, using "under" instead of "in".
in each of the conditions
Highlights that the statement is true for each individual condition.
regardless of the condition
Indicates that the outcome is the same no matter which condition is present.
irrespective of the condition
Similar to "regardless of the condition", but with a more formal tone.
for both scenarios
Offers a more general alternative, using the term "scenarios" instead of "conditions".
FAQs
Is it correct to say "in either conditions"?
No, the correct phrase is "in either condition". "Either" refers to one of two possibilities, so it takes the singular form of the noun.
What is a grammatically correct alternative to "in either conditions"?
A grammatically correct alternative is "in either condition". You could also use "under either condition".
How do I use "in either condition" in a sentence?
Example: "The results will be the same in either condition, whether we increase the temperature or keep it constant."
What's the difference between "in either condition" and "in both conditions"?
"In either condition" refers to one of two options, while "in both conditions" means the statement is true for both options.
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
83%
Authority and reliability
2.8/5
Expert rating
Real-world application tested