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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
rainwater
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word 'rainwater' is correct and usable in written English.
You can use it to refer to the water that falls from the sky during rainfall. For example: "Many of the homes in our neighbourhood have rainwater harvesting systems in place."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(2)
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
60 human-written examples
Once popular for wedding receptions and baptism parties, the hotel's pool now holds only a few inches of stagnant rainwater, and a stream of exhausted international aid workers has replaced the celebrations.
News & Media
Related: Brazil drought: water rationing alone won't save Sao Paulo At the Waterbank School in Laikipia, pupils demonstrate in class what they learn about economically and environmentally sustainable rainwater harvesting, water filtration, sanitation and agricultural practices, which is bound to have a wider knock-on effect for their futures.
News & Media
While the company established its environmental principles 20 years ago, it now boasts an innovative range of measures to meet its 10 10 targets, not to mention saving water by washing trucks and flushing loos with rainwater collected from the roof of its distribution centre.
News & Media
With water levels worryingly low in at least two of São Paulo's largest reservoirs, insecurity around water has become a fact of life for most paulistanos – as has a newfound interest in self-reliance and thrift: in stored water, rainwater collection and reduced usage.
News & Media
Water from rivers, ponds, puddles and rainwater can be filtered through the system and safely drunk.
News & Media
More than just a simple building, the Waterbank School is a living infrastructure that harvests rainwater – 360,000 litres over the course of two rainy seasons – as well as being an education centre.
News & Media
There's nothing remarkable about Rolf Nikolaus Cornelius Gurlitt's flat, a fifth-floor apartment on the shady side of a modernist apartment block in Munich's Schwabing district: walking distance to the lush English Gardens nearby; a balcony with black stains from years of inefficiently drained rainwater; no plants or flowers.
News & Media
There was nowhere for the rainwater to go.
News & Media
Atopia's structure was designed to collect rainwater and generate power from solar cells rather than burning a constant supply of natural gas, but their sketches and models bear an uncanny resemblance to Heatherwick's design.
News & Media
Two thirds of water from the tap comes from surface water (reservoirs, lakes, rivers) and the rest from ground water (underground geological formations that store rainwater).
News & Media
And with electricity from the rooftop solar panels, rainwater tanks hooked up to the bathroom and kitchen, and thick stone walls negating the need for air conditioning, it's an eco hideout, too.
News & Media
Expert writing Tips
Best practice
When discussing water conservation, consider using "rainwater harvesting" to emphasize the active collection and use of "rainwater" as a sustainable practice.
Common error
Don't assume "rainwater" is safe to drink without proper filtration or treatment. It can collect pollutants from roofs and the atmosphere.
Source & Trust
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "rainwater" is as a noun, referring to water that falls as rain. As seen in Ludwig, the word is used both as a simple descriptor and as a component in compound nouns like "rainwater harvesting".
Frequent in
News & Media
50%
Science
30%
Formal & Business
20%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The term "rainwater" refers to water that falls from the sky during rainfall. It functions primarily as a noun and is used across various contexts, including news, science, and formal discussions. Ludwig AI confirms its grammatical correctness and widespread use. Related terms include "precipitation runoff" and "harvested rainwater". When using "rainwater", remember that it may require filtration before drinking. It's commonly associated with sustainable practices like rainwater harvesting, making it a valuable term in environmental discussions.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
harvested rainwater
Highlights the intentional gathering of rainwater for later use.
captured rainfall
Focuses on the action of collecting rainwater, suitable when discussing rainwater harvesting.
collected precipitation
Emphasizes that the precipitation (rain) has been gathered.
precipitation runoff
Emphasizes the water flowing off a surface after rainfall, highlighting the runoff aspect of rainwater.
stormwater
This term is commonly used when referring to the water that results immediately from precipitation and can cause runoff.
atmospheric water
Refers to water originating from the atmosphere, emphasizing its source.
surface runoff
Surface runoff describes the water flowing over the land surface after precipitation events, encompassing rainwater.
meteoric water
Meteoric water is water that originated as precipitation, distinguishing it from groundwater or other sources.
naturally soft water
Highlights the soft characteristic of rainwater, which differentiates it from tap water.
sky water
Offers a more poetic or informal way to refer to rainwater, emphasizing its origin from the sky.
FAQs
How can "rainwater" be used sustainably?
"Rainwater" can be harvested for various non-potable uses like irrigation, flushing toilets, and washing cars, reducing the demand on municipal water supplies.
What are the benefits of using "rainwater"?
Using "rainwater" reduces reliance on treated water, lowers water bills, and minimizes the environmental impact associated with water treatment and distribution.
What are some methods for collecting "rainwater"?
Common methods include installing "rainwater tanks", creating "rain gardens" to capture runoff, and using permeable pavements to allow water to seep into the ground.
Is it legal to collect "rainwater" everywhere?
Laws regarding "rainwater" harvesting vary by region. Some areas encourage it with incentives, while others have regulations on the amount that can be collected.
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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
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested