Used and loved by millions

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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

per definition

Grammar usage guide and real-world examples

USAGE SUMMARY

"per definition" is a correct and usable phrase in written English.
It is used to mean "according to the definition" or "by definition". For example, "Humans, per definition, are social creatures."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Per definition a CANS score ≥ 27 describes apparently well-grown babies [ 8].

The within standard deviation is not known, but must per definition be less than the combined standard deviation.

(mathrm{LGD}=0. quad mathrm{NEMS}=0) per definition.

As per definition of Poisson's ratio, 3C SiC is brittle.

(mathrm{LGD}=0. quad mathrm{NEGD}=0) per definition.

Paraaortal lymph node metastases per definition are considered distant metastases.

When (n=1), (mathrm{NEMS}=0) per definition.

While QMRA per definition concerns microbial risks, accounting for pathogens in LCA has received little attention.

Per definition, the SSA is the surface divided by the mass.

As in an ROC curve the origin of a VGC curve per definition is "0".

The cluster is, per definition, overloaded at this point in time.

Show more...

Expert writing Tips

Best practice

Use "per definition" to clearly indicate that a statement is a direct consequence of a specific definition, ensuring clarity in your writing.

Common error

Avoid using "per definition" in casual conversation or informal writing where simpler phrases like "by definition" or "essentially" would suffice.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

81%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "per definition" functions as an adverbial phrase, modifying a statement by indicating that it is a direct consequence of a particular definition. This usage is supported by Ludwig, which confirms its proper use in various contexts.

Expression frequency: Very common

Frequent in

Science

75%

News & Media

15%

Formal & Business

10%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

"Per definition" is a grammatically sound and frequently employed adverbial phrase, primarily utilized to underscore that a statement arises directly from a specific definition. As indicated by Ludwig, it is well-suited for formal and scientific writing, where precision is paramount. While alternatives like "by definition" exist, "per definition" maintains a distinct role in emphasizing the definitional basis of a claim. The phrase's consistent application across various sources solidifies its relevance in contexts requiring clarity and accuracy. It is however less common in informal contexts.

FAQs

How is "per definition" used in a sentence?

Use "per definition" to introduce a statement that directly follows from a specific definition. For example, "A square, "per definition", has four equal sides."

What's a simpler way to say "per definition"?

You can use phrases like "by definition", "as defined", or "according to the definition" as alternatives.

Is "per definition" formal or informal?

"Per definition" leans towards the formal side and is often used in academic and professional writing. Simpler phrases are more suitable for informal contexts.

What is the difference between ""per definition"" and "in my opinion"?

"Per definition" indicates something is true based on a definition, while "in my opinion" introduces a subjective viewpoint. They serve entirely different purposes in communication.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

81%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: