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
residual material
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "residual material" is correct and usable in written English.
It can be used to refer to leftover substances or materials that remain after a process or event, such as manufacturing or chemical reactions. Example: "After the production process, we need to properly dispose of the residual material to ensure environmental safety."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
Active peristaltic contractions propel residual material from the esophagus into the stomach.
Science & Research
When the bolus fails to completely reach the esophagus, the residual material remains within the piriform recess, at risk for post-swallow aspiration.
Science & Research
Moreover, the hydrogel presents the highest residual material with nearly 40% left, and the ES-patch the lowest with about 25% residues.
Science & Research
Pomegranate (Punica granatum (Linn).) husk is an agri-food residual material, particularly rich in polyphenolic phytochemicals.
"Items were found in graves that might represent grave goods, but their positions were ambiguous and it is equally possible that they represent residual material from earlier activity at the site".
News & Media
But critics maintain that "sustainable" biomass power is an oxymoron, and that nowhere near enough residual material exists to feed a large-scale industry.
News & Media
Consider his recent description of the vast amounts of residual material that persist for decades: Mature fine tailings are the big problem for oil sands extraction.
News & Media
However, the left residual material makes pollution around the tree.
Science
An excess of water was again mixed with residual material and centrifuged again as above.
The supernatant was collected out, leaving behind only a residual material at the bottom of the tube.
At high temperature, the PMMA core portion was totally decomposed to gaseous products without remaining residual material [13].
Science
Expert writing Tips
Best practice
When discussing scientific experiments or industrial processes, use "residual material" to precisely refer to what remains after a procedure. This ensures clarity and avoids ambiguity.
Common error
Avoid using "residual material" and "waste" interchangeably. "Residual material" simply refers to what's left, while "waste" implies something unusable or unwanted. Using the correct term ensures precise communication.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "residual material" functions primarily as a noun phrase, typically acting as the subject or object of a sentence. It denotes the substance or matter remaining after a process has been completed. As Ludwig AI points out, it is grammatically correct and usable in written English.
Frequent in
Science
86%
News & Media
7%
Formal & Business
7%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "residual material" is a grammatically correct and frequently used noun phrase, primarily within scientific and formal contexts to describe substances remaining after a process. Ludwig AI confirms its usability and notes its neutral connotation. While it may appear in news or business writing, its use is most common in scientific reports and analyses, where precision is key. Alternatives like "leftover matter" or "remaining substance" may be suitable in less formal contexts. When writing, consider the specific context to determine if "residual material" is the most accurate and appropriate term, especially to avoid confusion with terms like "waste".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
remaining substance
Focuses on the aspect of what is left after a process, emphasizing the quantity remaining.
remaining residue
Implies a trace amount that is difficult to remove completely.
leftover matter
Suggests a less formal context, often implying something unwanted or discarded.
waste product
Highlights the origin as a byproduct of a process, often with negative connotations.
discarded component
Emphasizes the rejection or disposal of the material as no longer useful.
byproduct
Emphasizes the incidental nature of the material's creation alongside a main product.
excess material
Highlights that there's more material than needed, implying redundancy.
unprocessed matter
Highlights that the material has not undergone any treatment or refinement.
unused portion
Focuses on the fact that the material was not utilized, indicating potential waste.
unconsumed element
Suggests the material was not used up or depleted during a process.
FAQs
How is "residual material" typically used in scientific writing?
In scientific contexts, "residual material" /s/residual+material often refers to the substance remaining after an experiment, reaction, or process. It is crucial for describing results and potential sources of error.
What are some synonyms for "residual material" in less formal contexts?
In less formal settings, you could use alternatives like "leftover matter", "remaining substance", or even just "remnants" depending on the specific context and the level of detail required.
Is "residual material" the same as "waste"?
While both terms refer to something left behind, "residual material" /s/residual+material is a more neutral term. "Waste" implies the material is unwanted or unusable, while "residual material" simply means what remains after a process, regardless of its potential future use.
How does the meaning of "residual material" differ from "raw material"?
"Raw material" refers to the basic input used in a process. In contrast, "residual material" /s/residual+material is what is left after the process. For example, wood is a raw material for paper, while wood pulp might be a residual material from another process.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested