half amount of

USAGE SUMMARY

The phrase "half amount of" is not correct in standard written English.
A more appropriate expression would be "half the amount of." Example: "Please provide half the amount of sugar required for the recipe."

⚠ May contain grammatical issues

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

16 human-written examples

The order of adding the materials was as follows: half amount of HDPE, CNFs, and then another half amount of HDPE.

Nanoscale Res Lett

When CHT was used to adsorb bivalent cation (Me2+), the maximum amount of adsorption was the half amount of Mg2+, and MgMeAl-LDH was formed by dissociation-deposition.

Microporous and Mesoporous Materials

The remaining half amount of nitrogen (75 kg N ha−1) was top dressed in two equal splits at 30 and 60 days after transplanting of rice.

International Journal of Recycling of Organic Waste in Agriculture

Since the half amount of soluble proteins is Rubisco (Mae et al. 1985), rice senescing leaves may contain approximately 2.8 μmole Asn/gFW.

Rice

Due to the dual functionality of difunctional peroxide, the ethylene conversion obtained was about twice as much as that obtained with monofunctional peroxide, for only a half amount of the initial initiator concentration.

Chemical Engineering Science

Meanwhile, almost equivalent half amount of SO2 is produced from the boiler on-site due to the power and steam generation or the fluid catalytic cracking process in a refinery.

Applied Petrochemical Research

Human-verified similar examples from authoritative sources

Similar Expressions

41 human-written examples

Since dental plaque was collected from both sides, the wet weight and bacteria values at the baseline were estimated as the half amounts of measured values.

BMC Oral Health

"My father said, 'I'll eat half the amount of bread and spend the other half on education'," she explained.

Huffington Post

We have come to realize that you should take half the amount of clothing and twice the amount of money.

The New York Times

Estimates of the size of that deficit are near half the amount of the budget.

The New York Times

That is half the amount of time required to withdrawn from the Antiballistic Missile Treaty of 1972.

The New York Times

Expert writing Tips

Best practice

Prefer using "half the amount of" for better grammatical correctness. For example, instead of saying "Use half amount of sugar", say "Use half the amount of sugar".

Common error

A frequent mistake is omitting the definite article 'the' before "amount". Always use "half the amount of" rather than "half amount of" to adhere to standard English grammar conventions.

Linguistic Context

The phrase "half amount of" functions as a quantitative descriptor, specifying a portion of a whole. Though often used to indicate 50% of something, the expression is considered grammatically incorrect. Ludwig AI analysis indicates using "half the amount of" is more appropriate.

Expression frequency: Common

Frequent in

Science

50%

News & Media

43%

Formal & Business

7%

Less common in

Social Media

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, while "half amount of" is a frequently used phrase to describe 50% of a quantity, it's grammatically questionable. Ludwig AI suggests that "half the amount of" is the correct and preferred phrasing. Though prevalent in both scientific and news contexts, opting for the grammatically sound version enhances clarity and formality. Remember to include the definite article 'the' for grammatical accuracy.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

half the quantity of

Replaces "amount" with "quantity", often considered more grammatically sound in formal contexts.

one half of the amount

Adds a numerical identifier ("one") for emphasis or clarity.

50 percent of the amount

Expresses the fraction as a percentage for greater precision.

half the volume of

Specifies "volume" instead of "amount", suitable for measurable substances.

a moiety of the amount

Uses the term "moiety", which denotes an indefinite portion or share, implying approximately half.

part of the total amount

Referencing a certain part of the total amount, emphasizing that it is just a section.

approximately half the amount

Adding 'approximately' makes clear the quantity is not precise.

nearly half the amount

Adding 'nearly' to make the quantity not precise.

a significant portion of the amount

Expresses a substantial part, roughly equivalent to half, without precise quantification.

a considerable fraction of the amount

Indicates a notable but not necessarily exact half, emphasizing importance.

FAQs

Is it grammatically correct to say "half amount of"?

No, it is generally considered grammatically incorrect. The correct phrasing is "half the amount of".

What's a better way to phrase "half amount of"?

You can use "half the quantity of" or "50 percent of the amount" as alternatives.

How do I use "half the amount of" in a sentence?

Example: "The recipe calls for 2 cups of flour, but I only used half the amount of because I was halving the recipe".

What is the difference between "half amount of" and "half the amount of"?

The inclusion of 'the' makes the latter grammatically correct. "Half the amount of" specifies a particular amount, whereas "half amount of" is grammatically incomplete.