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
as a thresholds
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "as a thresholds" is not correct in English.
Did you mean "as a threshold"? You can use "as a threshold" when referring to a point of entry or a limit that must be crossed or met. Example: "The new policy serves as a threshold for determining eligibility for the program."
⚠ May contain grammatical issues
Science
Academia
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
2 human-written examples
TIN-estimates ≥1.0, indicating twice as much aberrant exon skipping and inclusion as the average sample, and ≤ −1.0, indicating half as much as the average sample, are used as a thresholds for characterizing samples with TIN (TIN-samples).
Science
Paralogs were delineated using within-species and between-species BlastP hits (e value < 10–) using the single linkage clustering procedure (the 50% identity score was used as a thresholds, supplementary table S1, Supplementary Material online).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
MVPA is commonly described as a threshold amount to achieve.
Academia
Now, however, there is greater recognition of 1.5C as a threshold for dangerous climate change.
News & Media
This is set as a threshold level which is defined as a global variable upper_th.
Academia
The faster reaction functioned as a threshold for the slower reaction.
Science & Research
As a threshold matter, RFRA offers protection only to those entities with free exercise rights.
Academia
The "knew or should have known" standard acts as a threshold standard for the Member States.
Academia
In this study, 0.5 was used as a threshold for L to select model.
Science & Research
The only discernible remnant of our family house was a heavy stone that once served as a threshold.
News & Media
The official did not list knowing the person's name as a threshold for marking them for execution.
News & Media
Expert writing Tips
Best practice
When referring to a single point or level that needs to be exceeded or met, use the singular form "threshold". For example, "This value serves as a threshold for determining eligibility."
Common error
Avoid using the plural form "thresholds" when you are referring to a single, specific criterion or limit. The plural form implies multiple distinct limits, which may not be the intended meaning.
Source & Trust
83%
Authority and reliability
2.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as a thresholds" is intended to function as a prepositional phrase modifying a noun or verb. However, due to the grammatical error, it fails to clearly establish a criterion or limit. Ludwig AI points out this grammatical error.
Frequent in
Science
50%
Academia
25%
News & Media
25%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "as a thresholds" is flagged by Ludwig AI as grammatically incorrect. The correct form is "as a threshold", using the singular noun. While the intention is to define a criterion or limit, the grammatical error undermines the clarity and effectiveness of the phrase. Ludwig examples show the phrase being used across science, academia, and news, but the grammatical error needs correction for formal writing. Remember to always use the singular form when referring to a single criterion.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
as a threshold
Corrects the grammatical error by using the singular noun form "threshold".
serving as a threshold
Emphasizes the function or role as a boundary or point of entry.
acting as a criterion
Replaces "threshold" with "criterion", highlighting the role as a standard for judgment.
functioning as a cutoff
Uses "cutoff" to convey the idea of a limiting point.
considered a benchmark
Employs "benchmark" to suggest a standard for comparison.
regarded as a standard
Uses "standard" to indicate an established measure or rule.
defined as a limit
Highlights the restrictive aspect of a boundary.
set as a boundary
Emphasizes the establishment of a clear demarcation.
used as a baseline
Indicates a foundational level for evaluation.
employed as a yardstick
Introduces a metaphor for measurement and comparison.
FAQs
What is the correct form, "as a threshold" or "as a thresholds"?
"As a threshold" is the correct form. The noun "threshold" should be singular when referring to a single limit or criterion.
How can I use "as a threshold" in a sentence?
You can use "as a threshold" to indicate a minimum requirement or a point that must be passed. For example, "A score of 80% serves as a threshold for passing the exam."
What are some alternatives to "as a threshold"?
Alternatives include "as a criterion", "as a limit", or "as a benchmark", depending on the specific context.
What does it mean for something to act "as a threshold"?
When something acts "as a threshold", it functions as a point of entry or a limiting value that must be reached or surpassed to achieve a particular outcome or condition.
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
2.1/5
Expert rating
Real-world application tested