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
cool up
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "cool up" is not an established part of the English language and is not used in written English.
⚠ May contain grammatical issues
News & Media
Science
Academia
Wiki
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
20 human-written examples
The battery takes about five hours to fully charge and the system can be used to cool up to 1,000 liters of raw milk per day.
Transit officials said yesterday they would keep 95percentt of its air-conditioned cars cool - up from 90percentt last summer.
News & Media
In closing the gap between him and American Pharoah to fewer than three lengths at the wire, he provided the only anxious moment for fans of the favorite, in case Espinoza had played it too cool up front.
News & Media
The iPod Nano may have something cool up its sleeve.
News & Media
When electrical power is not available, the rapid milk chiller can cool up to 500 liters of milk using only the thermal energy stored in the battery.
Science & Research
In their tabletop experiments, the Chicago scientists use sets of crossed laser beams to trap and cool up to 20,000 cesium atoms in a horizontal plane contained within an eight-inch cylindrical vacuum chamber.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
40 human-written examples
The cooling unit is able to provide comfort cooling up to 2 h when the PCM is completely melted.
Science
Absalyamov and Mulyukov measured the value of saturation magnetization of submicron-grained hematite in a 1.4 × 10−3 Pa vacuum during heating and cooling up to 750°C [20].
Science
In the heat pump evaporator, the geothermal water is cooled up to a temperature of about 30 °C, after which it flows into the Olt River.
They made a video for a site called Aish, whose mission apparently is to cool-up the Jewish faith a little bit.
News & Media
"I figured I could curate the cool up-and-coming products and have an influence on what other pet designers were making".
News & Media
Expert writing Tips
Best practice
If you intend to convey approval or enhancement, replace "cool up" with alternatives such as "improve", "upgrade", or "enhance" depending on the context.
Common error
Don't use "cool up" when you specifically mean reducing temperature; it's better to choose terms like "cool down" or "refrigerate" to prevent confusion.
Source & Trust
79%
Authority and reliability
3.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "cool up" doesn't have a well-defined grammatical function. Depending on context, it might be used as a phrasal verb, though Ludwig AI doesn't recognize it as standard. Its role varies with intended meaning, sometimes implying temperature reduction and other times, enhancement.
Frequent in
News & Media
36%
Academia
21%
Wiki
21%
Less common in
Science
22%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
The phrase “cool up” presents a mixed bag. While it appears in various contexts, it lacks standard grammatical recognition. Ludwig AI indicates that the phrase isn't an established part of the English language. Predominantly found in news and media, academic writing, and wiki sources, its usage ranges from describing temperature reduction to indicating approval or enhancement. However, due to its ambiguity, it’s advisable to use more precise terms like "cool down", "refrigerate", "improve", or "upgrade" for clarity and correctness.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
refrigerate
This verb emphasizes the act of making something cold or colder.
chill
A more casual term for making something cold or relaxing.
make cooler
Focuses on the process of reducing the temperature.
keep cold
Highlights maintaining a low temperature.
improve
Focuses on enhancing or making something better, moving away from temperature and more to the metaphorical sense of 'cool'.
enhance
This focuses on improving something, taking it to a higher level.
upgrade
This suggests making something more modern or stylish.
make stylish
This refers to give a cooler and more up-to-date look to something.
modernize
This means making something more current and contemporary.
update
This indicates bringing something up to the latest standards or trends.
FAQs
What does "cool up" mean?
The phrase "cool up" doesn't have a standard, universally accepted meaning in English. Its interpretation depends heavily on the context, potentially referring to temperature reduction, approval, or enhancement.
How can I use "cool up" in a sentence?
While not standard, "cool up" could be used informally. For temperature reduction, consider "cool down" or "refrigerate". For approval or enhancement, try "improve" or "upgrade".
What can I say instead of "cool up" when referring to making something colder?
Instead of "cool up", use alternatives like "chill", "cool down", or "refrigerate" to be more precise.
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
79%
Authority and reliability
3.2/5
Expert rating
Real-world application tested