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
this materials
Grammar usage guide and real-world examplesUSAGE SUMMARY
'this materials' is correct and usable in written English.
You can use it to refer to things that are necessary for a task or activity, or to refer to something that is composed of multiple items. For example, "We need to gather this materials before we can start the project."
Science
Academia
News & Media
Alternative expressions(3)
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
39 human-written examples
This materials collected by Drew, Biddulph, and Leitner.
Science & Research
This materials and tools are what people use everyday.
You may read and browse this materials at this website.
Academia
Inspired by this, materials scientists are now looking to merge biology and engineering -- the natural and human-made.
News & Media
In order to get around this, materials are being studied in which the motion of dislocations is inhibited.
Encyclopedias
To achieve this, materials that previously would have been thrown away are recycled, repurposed or even designed out from the beginning.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
21 human-written examples
This material sells".
News & Media
But he knows this material".
News & Media
This material is well known.
News & Media
Boot approaches this material narratively.
News & Media
"This material is almost radioactive.
News & Media
Expert writing Tips
Best practice
While "this materials" is sometimes used, especially in technical contexts, ensure grammatical correctness by using "these materials" instead.
Common error
Avoid using "this" with the plural noun "materials". Always use "these" for plural nouns to maintain grammatical agreement.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this materials" functions as a determiner followed by a plural noun. While grammatically questionable, Ludwig indicates it's used to specify or identify a set of materials, particularly in technical or scientific contexts.
Frequent in
Science
55%
Academia
25%
News & Media
20%
Less common in
Encyclopedias
0%
Formal & Business
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "this materials" is used to point out specific materials that are being discussed. However, Ludwig notes that it's often better to use the grammatically correct version, "these materials". Predominantly found in scientific and academic writing, and to a lesser extent in news and media, this phrase is acceptable but not ideal. Remember to use "these" with plural nouns like "materials" to ensure your writing is clear and grammatically sound. While Ludwig indicates this construction does appear, clarity and precision are always paramount.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
these materials
Changes "this" to "these" to agree with the plural noun "materials".
this material
Uses the singular form "material" to refer to a single substance.
the materials in question
Replaces "this" with a more formal and precise description.
the aforementioned materials
Uses a formal term to refer to materials previously mentioned.
the specified materials
Emphasizes that the materials are specifically identified or designated.
the relevant materials
Highlights the importance or applicability of the materials.
the current materials
Refers to materials that are presently being used or considered.
these kinds of materials
Indicates a category or type of materials.
the sample of materials
Refers to a subset of materials being examined.
aforementioned material
Uses the singular and formal term to refer to one material previously mentioned.
FAQs
Which is grammatically correct, "this materials" or "these materials"?
"These materials" is grammatically correct. "This" is used with singular nouns, while "these" is used with plural nouns. Using "these materials" ensures correct grammatical agreement.
When is it acceptable to use "this materials"?
While grammatically incorrect, "this materials" might appear in technical documents or speech. However, it's best to use "these materials" for clarity and correctness.
What are some alternatives to "this materials"?
You can use alternatives like "these materials", "the specified materials", or "the relevant materials" depending on the context.
How can I avoid errors when referring to multiple materials?
Always check the noun's plurality. If you are referring to more than one material, use "these". If referring to only one, use "this material". Using "this material" or "these materials" correctly ensures grammatical accuracy.
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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested