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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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per occasion

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "per occasion" is correct and usable in written English.
It can be used to indicate something that occurs or is done for each individual instance or event. Example: "We will provide refreshments per occasion, depending on the number of guests attending."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Total APM scores increased significantly across the three occasions (approximately two items per occasion).

They also decreased their D/DD by 2.4 drinks per occasion, and decreased their PHDD by 21.6%.

Science

Alcohol

Wisconsin binge drinkers also put away the most alcohol, averaging nine drinks per occasion.

News & Media

The New York Times

Percentage of days abstinent (PDA), drinks per drinking day (D/DD), and percentage of heavy drinking days (PHDD, defined as ≥4 drinks per occasion for females and ≥5 drinks per occasion for males) were recorded for the 6 weeks preceding laboratory testing and for the 6 weeks following participation in the study.

Science

Alcohol

The animals were sacrificed by decapitation 3 and 14 days after study start (n = 10 group per occasion).

An at-risk drinker was defined as someone who had >14 drinks per week or more than 4 drinks per occasion for men aged ≤65 years, and as 7 drinks per week or more than 3 drinks per occasion for all women or men aged >65 years.

The estimated average pattern of drinking of 1 4 drinks, with 4 being the most detrimental pattern and mainly based on heavy drinking and drinking to intoxication per occasion [4].

Decide on one outfit per day (or per occasion, if you will need multiple outfits for each day).

News & Media

HuffPost

She says her USP lies in the customised 'intricate designs' as per occasion or the person for whom the cake is baked.

News & Media

Vice

These SNPs also associated with higher average levels of alcohol drinking per occasion in males.

Science

Plosone

In male adolescents, both htSNPs were associated with lifetime prevalence of drunkenness and with elevated maximum amounts of alcohol intake per occasion (≥16 g of alcohol per occasion), as measure for binge drinking pattern.

Science

Plosone
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Expert writing Tips

Best practice

When using "per occasion", ensure clarity about what constitutes an "occasion" in your context. This avoids ambiguity and ensures your meaning is accurately conveyed.

Common error

Avoid confusing "per occasion" (meaning 'each time') with "on occasion" (meaning 'sometimes'). Using them interchangeably can significantly alter the intended meaning of your sentence.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "per occasion" functions as an adverbial prepositional phrase, modifying verbs or clauses by specifying the frequency or circumstances under which an action occurs. As Ludwig AI confirms, this phrase is usable in written English. Examples from Ludwig show it quantifying aspects like drinks consumed or medication used.

Expression frequency: Very common

Frequent in

Science

78%

News & Media

15%

Formal & Business

7%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "per occasion" is a grammatically sound and frequently used prepositional phrase that specifies the frequency or quantity related to each individual instance of an event, as Ludwig AI confirms. Predominantly found in scientific and news contexts, it serves to clarify rates or amounts on a "per event" basis. Common errors involve confusing it with "on occasion", which has the opposite meaning. Alternatives include "each time" and "every instance", offering slightly different nuances. As Ludwig's examples showcase, ensure clarity regarding what defines an 'occasion' to avoid ambiguity in your writing.

FAQs

How is "per occasion" used in a sentence?

The phrase "per occasion" specifies the frequency or amount related to each instance of an event. For example, "The venue charges a cleaning fee "per occasion"" means the fee is applied every time the venue is used.

What's the difference between "per occasion" and "on occasion"?

"Per occasion" means each and every time something happens, while "on occasion" means sometimes or occasionally. They have opposite meanings.

What are some alternatives to saying "per occasion"?

Depending on the context, you can use phrases like "each time", "every instance", or "on each event" instead of "per occasion".

Is it more formal to say "per occasion" or "each time"?

"Per occasion" can be considered slightly more formal, particularly in business or scientific contexts. "Each time" is generally more informal and suitable for everyday conversation.

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Source & Trust

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Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: