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
re experiment
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 're experiment' is not correct or usable in written English.
You may be looking for the phrase 'experiment again' or 'reexperiment.' For example, "We decided to reexperiment with different settings to find the optimal solution."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(4)
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
3 human-written examples
Re "Experiment Gives Illusion of That Shrinking Feeling" (Nov. 29): When I was 3 or 4, my mother showed me a phenomenon requiring that I cross my index and middle fingers and by placing the tip of my nose in the "V" created, I would feel "two noses".
News & Media
Therefore, the uncertainty of the Re experiment was calculated to be less than ± 3.4%.
Science
The Reynolds number (Re) experiment on nanofluid measured the flow velocity rate (v m ) using a flow meter and cross-sectional area.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
For shallow tanks (low HD) simulations, no acceptable thermocline thickness can be seen for all Re experimented.
"As long as all those energies and resources are used in these incremental steps beyond the cold war, you won't get the kind of serious, entrepreneurial pattern of experiment, re-experiment, doctrinal innovation and organizational creativity -- all those things that have an impact on transformation," Mr. Hillen said.
News & Media
Let them re-experiment to optimise the effect of a simulated training session.
Science
Let them re-experiment to optimise the effect of a simulated team training session.
Science
To compare wild-type control, mutant control, infected wild-type and infected mutant samples, a re-ratio experiment was performed using the Rosetta built-in re-ratio with common reference application.
An overhead view of the re-created experiment.
News & Media
There was also the excellent re-editing experiment Sound Houses, which recomposed the work of electronic pioneer and goat-keeper Daphne Oram.
News & Media
Initially, the performance of docking software was tested by re-docking experiment.
Science
Expert writing Tips
Best practice
Avoid using "re experiment". Instead, opt for clearer alternatives like "repeat experiment" or "re-run the experiment" to maintain grammatical accuracy and clarity.
Common error
Be cautious when using "re" as a prefix. While it often indicates repetition, it's not universally applicable. Always ensure the resulting word is a recognized term. In the case of "re experiment", it's better to use alternatives like "redo the experiment" or "repeat the experiment".
Source & Trust
85%
Authority and reliability
2.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "re experiment" is generally considered ungrammatical in standard English. Ludwig AI indicates that it is "not correct or usable". The intended function, however, is to describe the act of repeating an experiment.
Frequent in
Science
66%
News & Media
33%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, while "re experiment" appears in some contexts, it is generally considered grammatically incorrect. Ludwig AI suggests alternatives like "experiment again" or "reexperiment". It's advisable to use clearer and more accepted phrases such as "repeat experiment" or "re-run the experiment" to ensure effective communication and avoid grammatical errors. While the phrase's intended meaning is to indicate a repeated experiment, its incorrect usage undermines this purpose. Sticking to established alternatives maintains clarity and professionalism, particularly in scientific and formal contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
repeat experiment
Replaces "re" with the full word "repeat" for clarity.
replicate the experiment
Uses "replicate" to emphasize reproducing the experiment.
redo the experiment
Employs the more common phrasing "redo" instead of "re experiment".
re-run the experiment
Replaces the space with a hyphen for better readability and grammatical correctness.
experiment again
Uses "again" to indicate repeating the experiment.
perform the experiment again
Adds "perform" for a more formal tone and clarifies the action.
conduct the experiment again
Similar to "perform the experiment again" but with slightly different wording.
retry the experiment
Uses "retry" which implies attempting the experiment once more.
reexamine the experiment
Shifts focus to reviewing or analyzing the experiment again.
revisit the experiment
Implies returning to the experiment for further consideration or analysis.
FAQs
What's a better way to say "re experiment"?
Instead of "re experiment", use phrases like "repeat the experiment", "redo the experiment", or "re-run the experiment" for clarity and correctness.
Is "re experiment" grammatically correct?
No, "re experiment" is not considered grammatically correct in standard English. It's best to use alternative phrasings like "repeat the experiment".
When can I use "re-" as a prefix?
The prefix "re-" is used to indicate repetition or renewal, but it must be attached to a word where this combination is standard, such as "rewrite", "reconsider", or "rebuild". Using it with "experiment" to form "re experiment" is not standard.
Are there other scientific terms that commonly use the "re-" prefix?
Yes, many scientific terms use "re-" correctly, such as "re-analysis", "re-oxygenation", or "re-sequencing", where the prefix is appropriately joined to an existing word to denote repetition or renewal of the action.
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
85%
Authority and reliability
2.1/5
Expert rating
Real-world application tested