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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a amount of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'a amount of' is a correct and usable phrase in written English.
It can be used when referring to a quantity, usually an unspecified quantity, of something (as in "there is a certain amount of apples"). For example, you could say "I had a large amount of homework to do last night."
✓ Grammatically correct
Science
News & Media
Academia
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
28 human-written examples
The use of GLM models for this work is problematic for the following reasons: A) Amount of data and overfitting.
Science
(a) Amount of light absorption of semi-infinite c-Si substrate with IPA by FDTD simulation.
Science & Research
(a) Amount of mHTT aggregates from cell-free lysates seeded with CSF from BACHD transgenic rats (BAC) and wild-type rats (WT).
Science & Research
(a) Amount of energy produced (TWh, or 1 × 1012 Wh) for each solar panel installation scenario for January (blue), July (green) averaged over 2007 and 2009.
Science & Research
Clinicians' advice to patients on self-care items such as: (a) amount of alcohol and (b) caffeine intake, (c) exercise activity, (d) stressful events, (e) "when to go to the emergency department (ED)," and (f) lifestyle changes, was evaluated to assess consistency in practice.
E(T a ): Amount of saturated water vapor at Ta [g/m3].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
32 human-written examples
After gel chromatography the SP-A amount of the eluted fractions (800 μl) was determined by Slot-Blot.
Science
Select an amount of eggs.
Wiki
Colors finds an amount of colors specified.
Wiki
Decide on an amount of money.
Wiki
"A good amount of everything.
News & Media
Expert writing Tips
Best practice
When using "a amount of", ensure it's followed by a noun that can be quantified. For instance, "a amount of effort" or "a amount of resources".
Common error
The most frequent mistake is using the article "a" before a noun that begins with a vowel sound. Always use "an amount of" instead of "a amount of".
Source & Trust
78%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a amount of" functions as a determiner phrase, specifically quantifying or specifying a particular quantity of something. However, it is grammatically unconventional and less preferred than "an amount of". Ludwig's AI suggests the proper phrase is "an amount of".
Frequent in
Science
40%
News & Media
30%
Wiki
10%
Less common in
Academia
10%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, while the phrase "a amount of" is technically understandable, it's generally considered grammatically incorrect due to the vowel sound that begins the word "amount". As Ludwig AI pointed out, the correct and more widely accepted phrase is "an amount of". Instances of "a amount of" can be found across various sources, but using "an" adheres to standard English grammar and is more stylistically appropriate. When aiming for precision and clarity, remember that proper article usage significantly enhances the credibility and readability of your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a quantity of
Replaces "amount" with "quantity", offering a more formal synonym with similar implications of unspecified measure.
a portion of
Substitutes "amount" with "portion", implying a part of a whole, suitable when referring to fractions.
a measure of
Replaces "amount" with "measure", emphasizing the act of quantifying or assessing something.
a degree of
Uses "degree" instead of "amount", suitable when referring to the intensity or extent of a quality or characteristic.
a certain quantity of
Adds "certain" to emphasize the unspecified and sometimes approximate nature of the amount.
some quantity of
Uses "some" to indicate an unspecified but not necessarily large amount.
a volume of
Replaces "amount" with "volume", suitable for measurable amount.
a share of
Indicates a part or proportion belonging to someone or something.
a level of
Suggests a specific point on a scale or range, used for things like intensity or concentration.
a number of
Emphasizes individual countable items that constitute the amount.
FAQs
Is it correct to use "a amount of"?
While grammatically understandable, it's more common and stylistically preferred to use "an amount of", as "amount" begins with a vowel sound.
What's the difference between "a amount of" and "an amount of"?
The choice between "a" and "an" depends on the sound of the following word. Since "amount" starts with a vowel sound, "an amount of" is generally considered correct.
Which is more commonly used, "a amount of" or "an amount of"?
"An amount of" is far more prevalent in standard English usage than "a amount of". Using "an" ensures proper grammar.
What are some alternatives to "a amount of" that I can use in my writing?
Depending on the context, you can use alternatives like "a quantity of", "a portion of", or "some".
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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
78%
Authority and reliability
3.8/5
Expert rating
Real-world application tested