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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
decreased down
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "decreased down" is not correct and is redundant in written English.
You can use it when trying to describe a reduction in quantity or level, but it is better to avoid the redundancy. Example: "The temperature decreased down to freezing levels."
⚠ May contain grammatical issues
Science
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
58 human-written examples
However, it decreased down to a low of 39% under Obama.
News & Media
As result the surface roughness can be decreased down to Ra = 0.04 µm.
Science
The ventilation air methane concentration of working face greatly decreased down to about 0.3%.
Science
For the present corrugation geometry, the critical Reynolds number is decreased down to about 4000.
A mechanism transition from the electric double-layer capacitance behavior to pseudo-capacitive behavior was observed as the film thickness decreased down to monolayer.
Science
Owing to the fluxing ability of B2O3, the sintering temperature of the developed wall tile ceramics decreased down 70 °C 1050 °C, sintering temperature of the developed floor tile ceramics decreased down to 1130 °C, 65 °C lower compared to benchmarked commercial ceramics.
The other nation with a similar pattern is Spain, with a debt level that actually decreased — down to 66 percent of G.D.P., from 69 percent.
News & Media
The index then decreased down to (-,13) or (-,14) nT on 21UT.
Science
In ARDS, N and A decreased down to PEEP 6 cmH2O and then remained stable at subsequent lower PEEP levels.
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
Conclusion: Our data demonstrate that homozygosity for Arg16, which in vitro is associated with decreased down-regulation of the β2AR, protects from preterm delivery.
It was noted that gene expression for one type of NMDA receptor proteins, that of Grin3a, was decreased (down-regulated genes, Nervous system development, Table 1).
Science
Expert writing Tips
Best practice
Favor using "decreased", "reduced", or "fell" alone, as the word "down" is often redundant and weakens the sentence.
Common error
Avoid using "decreased down" as it is redundant. Choose either "decreased" or use another verb like "fell" or "dropped" to make your writing more concise.
Source & Trust
80%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "decreased down" functions as a verb phrase indicating a reduction in quantity, level, or intensity. Ludwig's examples illustrate its use across various contexts, although it's considered redundant, according to Ludwig AI.
Frequent in
Science
85%
News & Media
10%
Formal & Business
5%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "decreased down" is used to express a reduction, but is often considered redundant. Ludwig AI indicates that it's grammatically incorrect, and it is advisable to use the single word "decreased" or other alternatives like "reduced", "fell", or "dropped" for conciseness. While common in scientific and news contexts, these alternatives offer clarity and precision. Therefore, refining your writing to avoid this phrase will improve its overall quality.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
reduced
Omits the word "down", offering a more concise expression of reduction.
declined
Substitutes "decreased" with a synonym, removing redundancy.
dropped
Uses a more informal term for reduction, eliminating the need for "down".
fell
Another informal synonym for "decreased", avoiding redundancy.
lessened
Replaces "decreased" with a synonym, creating a more succinct phrase.
diminished
A more formal synonym for "decreased", omitting "down" for clarity.
sank
Offers a vivid alternative to "decreased", removing the redundant "down".
plummeted
Implies a rapid decrease, eliminating the need for "down".
subsided
Suggests a decrease in intensity, offering an alternative to "decreased down".
eased
Indicates a gradual decrease, providing a less forceful alternative.
FAQs
How can I use "decreased" correctly?
Use "decreased" followed by a preposition such as “to” or “by”. For example: "The price decreased to $20" or "The price decreased by 10%". Using "decreased down" is redundant.
Is it wrong to say "decreased down"?
According to Ludwig AI, the phrase "decreased down" is redundant. It's better to use just "decreased" or find alternative words such as "reduced", "dropped" or "fell".
Which is correct, "decreased" or "decreased down"?
"Decreased" is generally preferred over "decreased down" because the latter is often considered redundant. Both can be grammatically correct depending on context, but "decreased" is more concise.
"Decreased" implies a gradual reduction, while ""fell"" can suggest a more sudden or rapid decline. Both can effectively replace the redundant phrase "decreased down".
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
2.8/5
Expert rating
Real-world application tested