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
etch away
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "etch away" is correct and usable in written English.
It can be used to describe the process of gradually removing material from a surface, often in a scientific or artistic context. Example: "The artist used a chemical solution to etch away the top layer of the metal, revealing intricate designs beneath."
✓ Grammatically correct
Science
News & Media
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
26 human-written examples
As a last step, dry etching was carried out to first etch away the polymer matrix using oxygen plasma, leaving behind metal salt nanoislands on silicon as seen in Fig. 2, then into the silicon substrate using SF6/C4F8 plasma.
Science
The etching time is set to the time needed to etch away resist (depending on the resist thickness) plus additional 5 min unless otherwise specified.
Reactive ion etching with oxygen plasma was performed on the UNCD to etch away diamond outside the areas protected by the Ni.
Then, the wafers were dipped in 5 wt.% HF solution for 2 min to etch away the native Si oxide layer, which can facilitate the direct etching of the Si substrate in the following etch process.
Science
They then use acids to etch away the copper.
News & Media
(This is also the process by which a chip's components are created; it uses a mixture of light and chemicals to etch away parts of the silicon's surface).
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
34 human-written examples
After reactive ion etching, Cu was etched away with a FeCl3 solution and PMMA/GrPyC was rinsed in pure water for 1 hour twice.
Science
Subsequently, the barrier layer has to be etched away using chemical etching which often leads to the non-uniform widening of pores at the bottom.
Science
Subsequently, aluminum without protection of the photoresist was etched away by a H3PO4 etching agent with silicon nitride surface exposed.
Science
Si3N4 and SiO2 thin films were then etched away by reactive ion etching processes to expose the Si substrate for the subsequent KOH etching.
Science
Finally, the PR is fully etched away after 10-min etching, and a pyramid-like tip shape is formed (Figure 2e).
Science
Expert writing Tips
Best practice
In creative writing, leverage "etch away" to evoke a sense of gradual disappearance or the subtle effects of time on physical objects.
Common error
While "etch away" is appropriate in technical fields, avoid using it too frequently in general writing where simpler terms like "remove" or "erode" might be more suitable. Overuse can make your writing sound overly formal or stilted.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "etch away" functions as a phrasal verb. It describes a process where material is gradually removed, often through chemical or physical means. Ludwig examples demonstrate its use in describing scientific processes and material degradation.
Frequent in
Science
79%
News & Media
18%
Encyclopedias
3%
Less common in
Wiki
0%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "etch away" is a phrasal verb that precisely describes the gradual removal of material, often through a controlled chemical or physical process. It is grammatically correct and widely used, particularly in scientific and technical domains. Ludwig AI confirms its correct usage. While versatile, it's best suited for formal or technical writing; in more general contexts, alternatives such as "erode" or "remove" may be more appropriate. Remember to avoid overuse in non-technical contexts to maintain clarity and avoid sounding overly formal.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
erode
A more general term for wearing away, applicable to natural processes as well.
eat away
Emphasizes a destructive, consuming process.
dissolve
Implies a liquid is used to break down the material.
corrode
Specifically refers to the gradual destruction of a material, usually a metal, by chemical reaction.
remove gradually
A more descriptive and less technical alternative.
wear down
Focuses on the gradual reduction of something through friction or use.
carve out
Suggests a more deliberate and controlled removal of material.
abrade
To wear away or rub off by scraping or friction.
cut away
Implies a sharper, more defined removal.
wash away
Specifies the removal by the action of water or another liquid.
FAQs
How is "etch away" used in scientific contexts?
In scientific contexts, "etch away" describes the process of selectively removing material from a surface using chemicals or other means. This is often used in microfabrication to create intricate patterns.
What are some common alternatives to "etch away"?
Is "etch away" appropriate for formal writing?
Yes, "etch away" is appropriate for formal writing, especially in scientific or technical contexts. However, in less technical contexts, simpler alternatives may be preferred.
What's the difference between "etch away" and "wear away"?
"Etch away" typically implies a controlled or chemical process of removal, while "wear away" suggests a more gradual and often unintentional removal through friction or natural forces.
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
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested