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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
is deficient of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is deficient of" is not standard in written English; the correct form is "is deficient in." You can use it when discussing a lack or insufficiency of something, typically in a formal or academic context.
Example: "The report is deficient in critical data needed for analysis."
⚠ May contain grammatical issues
Science
News & Media
Wiki
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
5 human-written examples
O.K.? Pakistan is deficient of both.
News & Media
The V583 strain is deficient of cytolysin production, but is classified as a pathogen since it was isolated from a patient with a persistent bloodstream infection [6] and belongs to a high risk clonal complex consisting of nosocomial isolates [7].
Science
This is supported by experiments using another cell line meso 33, which is deficient of Merlin.
Science
Thus, our assessment is deficient of other components of capacity for HSSR training.
Science
Compared to serum, plasma contains clotting factors such as fibrinogen but is deficient of mediators that are released from blood cells (mainly thrombocytes) upon coagulation.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Japan, South Korea, and Taiwan are deficient of domestic fossil energy sources and depend significantly on imported fuels.
Science
Glanzmann thrombasthenia (GT) is a condition characterized by platelets that are deficient of the integrin αIIbβ3 heterodimer.
Similarly, the soil was deficient of exchangeable potassium, as this parameter was clearly below the critical range of values of 63 99 mg kg−1 (Akinrinde and Obigbesan 2000).
In case of the ChG scaffolds, we observed fewer cells attached on the surface of the scaffold while inner pores were deficient of any cell proliferations.
Science
Comparative genome analysis of Shewanella strains predicted that the strains metabolize preferably two- and three-carbon carbohydrates as carbon/electron source because many Shewanella genomes are deficient of the key enzymes in glycolysis (e.g., glucokinase).
Science
The autonomous seed-like structures are devoid of endosperm or embryo and develop only from ovules that are deficient of MET1 in the sporophytic integuments but not from ovules from met1/+ plants, 50% of which are deficient of MET1 in the female gametophyte.
Science
Expert writing Tips
Best practice
Always use the correct preposition, "in", after "deficient". Instead of "is deficient of", write "is deficient in" to ensure grammatical accuracy.
Common error
Avoid using "of" after "deficient". The correct form is "deficient in". For example, instead of writing "The soil is deficient of nutrients", write "The soil is deficient in nutrients".
Source & Trust
81%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is deficient of" functions as a descriptive phrase, attempting to characterize something as lacking a necessary component. However, it's grammatically incorrect. Ludwig identifies the correct form as using the preposition "in" instead of "of".
Frequent in
Science
60%
News & Media
20%
Wiki
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, while the phrase "is deficient of" appears in various sources, it is grammatically incorrect. The correct form is "is deficient in". Ludwig identifies this error and suggests using the proper preposition to maintain grammatical accuracy. The phrase attempts to communicate a lack or insufficiency, primarily in scientific and news contexts. Therefore, always remember to use "in" instead of "of" to avoid grammatical errors and ensure clear communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is deficient in
Changes the preposition to the correct grammatical form.
lacks
Replaces the entire phrase with a single verb indicating absence.
is lacking in
Uses a different adjective with the correct preposition.
is short on
Expresses a deficiency using a more informal idiom.
is wanting in
Uses a less common but still valid adjective to indicate a lack.
is inadequate in
Indicates that something is not sufficient in some way.
is sparse in
Emphasizes a limited amount of something.
is scant in
Similar to "sparse", but perhaps more formal.
is low on
Uses a more direct and informal way to express deficiency.
has a deficit of
Shifts the phrasing to focus on a deficit.
FAQs
What's the correct way to say something lacks a specific quality?
The proper way to express that something lacks a quality is to say it "is deficient in" that quality. For example, instead of "The plant is deficient of sunlight", say "The plant "is deficient in sunlight"".
What can I say instead of "is deficient of"?
You can use alternatives like "lacks", "is lacking in", or "is short on" depending on the context.
Is "deficient of" grammatically correct?
No, "deficient of" is grammatically incorrect. The correct preposition to use with "deficient" is "in". Therefore, the correct phrase is "deficient in".
What is the difference between "is deficient of" and "is deficient in"?
"Is deficient of" is not grammatically correct, while "is deficient in" is the standard and accepted form. Use "is deficient in" to indicate a lack or inadequacy.
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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
81%
Authority and reliability
2.8/5
Expert rating
Real-world application tested