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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
extra source of information
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "extra source of information" is correct and usable in written English.
You can use it when referring to an additional resource or reference that provides more details or insights on a topic. Example: "In addition to the main textbook, the online database serves as an extra source of information for students."
✓ 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
3 human-written examples
The Regents also put off the development of new English tests for 9th and 10th grades; the tests were intended to provide an extra source of information for the new evaluation systems for teachers and principals.
News & Media
Further, history of wildlife culling in the 1970s, to detect BTB in lechwe antelopes [ 13, 14, 20] in Lochinvar may have created an extra source of information to the local cattle owners in this area.
Science
After the elaboration of the results, it was observed that 426 responders (8.02%) had added an extra source of information, while 126 of them to their job (health service) as the primary source.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Among various approaches for inferring networks, Bayesian Networks are very attractive due to their probabilistic nature and flexibility to incorporate interventions and extra sources of information.
Science
Presently we lack detailed mechanistic information about this potential extra source of dNTPs, which would be useful for refining the model.
Science
I see a time when the Internet-based activities are more available in the rural areas and where the extra source of income that farm families used to have from shoe factories is replaced by an extra source of income from working in the information economy.
News & Media
For artists, they can be an extra source of income.
News & Media
"You need an extra source of mortality".
Science & Research
As possibly the only person who had seen Charlie Christian, Charlie Parker and John Zorn, he was an important source of information, and sometimes the Stones' presence at a gig gave the show extra cachet, even for those performing.
News & Media
It appears that the only effective source of information is a one-on-one session where a study team member spends extra time explaining the study to the participant [ 1].
Science
"It's a source of information.
News & Media
Expert writing Tips
Best practice
When using "extra source of information", ensure it complements the primary source rather than contradicting it. It should add value and provide additional context or insights.
Common error
Avoid presenting the "extra source of information" as more credible or important than the primary source, especially if the primary source is more authoritative. Always prioritize reliable and verified information.
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "extra source of information" functions as a noun phrase. It identifies a resource or entity that provides additional details, data, or insights beyond the primary or expected sources. Ludwig provides examples in various contexts.
Frequent in
News & Media
33%
Science
33%
Formal & Business
33%
Less common in
Wiki
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "extra source of information" is a grammatically sound phrase used to denote an additional resource that provides supplementary details or insights. While not exceedingly common, as Ludwig indicates, it appears across different contexts, including science, news, and business. It functions as a noun phrase, emphasizing the enhancement of understanding. For alternatives, consider "additional information source" or "supplementary information source" for similar meanings. Employ this phrase judiciously to enrich context without overshadowing primary resources.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
additional information source
Reorders the words and simplifies the phrase while maintaining the core meaning.
supplementary information source
Replaces "extra" with "supplementary", indicating an addition to what already exists.
alternative source of data
Focuses on data rather than general information, suggesting a more specific application.
secondary information resource
Indicates a resource that is not the primary source but provides additional details.
backup source of knowledge
Emphasizes the role as a reserve, providing knowledge when primary sources are unavailable.
further details provider
Highlights the act of providing additional information.
another informational outlet
Uses "outlet" to represent a channel or means of providing information.
expanded knowledge base
Shifts the focus to the overall collection of information that is increased.
surplus information provider
Indicates more information than is strictly necessary.
enhanced data resource
Highlights that the data resource is being improved through the information source.
FAQs
How can I effectively use "extra source of information" in a sentence?
Use "extra source of information" to denote a secondary or supplementary source that offers additional details or perspectives. For instance, "Besides the textbook, the online articles served as an "extra source of information" for the students."
What's a good alternative to "extra source of information"?
Consider using "additional information source", "supplementary information source", or "secondary information resource" to convey a similar meaning. The best choice depends on the specific context and the nuance you want to express.
Is there a difference between "additional source of information" and "extra source of information"?
While both phrases are similar, "extra source of information" often implies a source beyond what is expected or typically needed, whereas "additional source of information" simply means 'one more source'. The difference is subtle and context-dependent.
When is it appropriate to cite an "extra source of information"?
Always cite your sources, including any "extra source of information", to give credit to the original authors or creators and to maintain academic integrity. This is particularly important in research papers, articles, and other formal writing.
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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
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested