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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
duct through which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "duct through which" is correct and usable in written English.
It can be used to describe a passage or channel that allows something to flow through, such as air, water, or other substances. Example: "The ventilation system includes a duct through which air is circulated to maintain a comfortable temperature in the building."
✓ Grammatically correct
Science
Encyclopedias
News & Media
Alternative expressions(5)
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
The male organs consist of testes, from which extend numerous tubules (vasa efferentia) that unite to form a sperm duct (vas deferens); the latter becomes an ejaculatory duct through which sperm are released to the outside.
Encyclopedias
To do so, the Earth-Air Heat Exchanger (EAHE) device can be employed, consisting of a buried duct through which the external ambient air is insufflated.
Science
Mosquitoes have been shown to require longer probing times during blood-feeding when an apyrase gene (an enzyme that counteracts hemostasis) has been silenced, or if they are deprived of salivation by removal of the salivary duct through which the saliva is transported to the probing site [ 9, 10].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Together they tied off the pancreatic ducts through which acinar cells release the digestive enzymes.
Encyclopedias
Congenital hydrocephalus is typically caused by malformations of structures in the ventricles, including the ducts through which CSF flows.
Encyclopedias
Semen frequently contains degenerated cells sloughed off from the network of tubules and ducts through which the semen has passed.
Encyclopedias
Modern cribs, usually larger and constructed of metal, are short and cylindrical with temporary wall coverings and ducts through which air, either cold or heated, may be forced.
Encyclopedias
The reproductive system consists of the sex glands, or gonads (male testes and female ovaries), the ducts through which the sexual products are carried to the exterior, and the accessory glands.
Encyclopedias
As the valve performance not only depends on the magnetic circuit but also on the geometry of the ducts through which the MR fluid passes, the above assumption has led to a sub-optimal solution.
The thrust borer laid 25 yards of ducting through which the mains cable was pulled into position.
Wiki
Miller and Pitnick [24] capture the importance of these structures in the following: "Likewise, the long and convoluted ducts through which sperm must travel within the female may serve to increase the difficulty for males in placing their sperm close to ova or accessing previously stored sperm, thereby enhancing female control over paternity".
Science
Expert writing Tips
Best practice
When describing technical systems or biological structures, use "duct through which" to clearly indicate a specific channel designed for conveyance. For example, "The ventilation system includes a "duct through which" air is circulated."
Common error
Avoid using "duct through which" in non-technical contexts where simpler alternatives like "channel", "passage", or "way" would be more appropriate. Using overly specific language can make your writing sound unnecessarily complex.
Source & Trust
78%
Authority and reliability
4.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "duct through which" functions as a prepositional phrase modifying a noun. It specifies the route or passage allowing for movement or flow. As Ludwig AI points out, the phrase is correct and usable in written English.
Frequent in
Science
66%
Encyclopedias
22%
News & Media
12%
Less common in
Formal & Business
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "duct through which" is a grammatically correct prepositional phrase that describes a channel or passage. While identified by Ludwig AI as correct, its usage is relatively rare, primarily appearing in scientific, encyclopedic, and news contexts. For situations demanding simpler language, consider options like "channel through which" or "passage through which". Be mindful of using this phrase in general descriptions, as it may add unnecessary complexity. The consistent message is: while grammatically sound, its best application lies in technical or descriptive scenarios where specificity is key.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
channel through which
Uses "channel" instead of "duct", emphasizing a broader, less specialized passage.
passage through which
Replaces "duct" with "passage", indicating a more general route or way through something.
conduit through which
Substitutes "duct" with "conduit", suggesting a structure that conveys fluids or other materials.
path through which
Replaces "duct" with "path", implying a course or way that something travels.
route through which
Similar to "path through which", but emphasizes a planned or established way.
avenue through which
Replaces "duct" with "avenue", suggesting a broader and more open passage.
course through which
Similar to "path", implying the route something takes.
way through which
A very general term for a route or passage.
opening through which
Focuses on the physical opening or aperture that allows passage.
bore through which
Uses "bore" to suggest a hole or tunnel created for passage.
FAQs
What does "duct through which" mean?
The phrase "duct through which" refers to a channel or passage specifically designed to allow the movement or flow of something, such as air, liquid, or other materials.
What can I say instead of "duct through which"?
You can use alternatives like "channel through which", "passage through which", or "conduit through which" depending on the context.
How can I use "duct through which" in a sentence?
You can use "duct through which" to describe a specific route for fluids or gases, such as, "The air conditioning system has a "duct through which" cool air is distributed throughout the building."
Is "duct through which" formal or informal?
"Duct through which" is generally considered a neutral to formal phrase, often used in technical or scientific contexts. For more informal situations, simpler terms like "way through which" might be more appropriate.
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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
78%
Authority and reliability
4.2/5
Expert rating
Real-world application tested