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
CEO of Professional Science Editing for Scientists @ prosciediting.com
mandatory characteristics
Grammar usage guide and real-world examplesUSAGE SUMMARY
"mandatory characteristics" is a valid phrase that can be used in written English.
It typically refers to specific qualities or features that are required or essential for something. Example: The job description outlined the mandatory characteristics for the position, including a minimum of five years of experience and fluency in a second language.
✓ Grammatically correct
Science
Wiki
News & Media
Alternative expressions(2)
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
2 human-written examples
Application requirements represent mandatory characteristics that all applications require in order to work properly within the NoPaaS framework (Table 3).
Science
It may be helpful to include some mandatory characteristics in front of each item.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Mandatory required characteristics for quality control are the following: genetic stability, potential for reversion to virulence, homogeneity, lack of contamination, typical cultural, morphological and biochemical properties, sensitivity to specific bacteriophage, 'residual virulence', sufficient quantities of live microbial cells or spores, immunogenicity and safety for sensitive animal model(s).
As it will be developed in the next section, those who correctly recognized the lack of an animal equivalent to the plant cell wall predominantly assumed that membranes were not a mandatory characteristic of all cells.
Science
To our mind, this evaluation was closest to the reality, since a retrospective cohort was mandatory to evaluate characteristics and fate of biomedical protocols, whereas retrospective data collection was not possible to assess workload.
Science
It should also be highlighted that the lessons learnt from the catastrophic consequences of recent earthquakes, revisions in the seismic design code, and the developments in the material and workmanship characteristics are mandatory for significant improved quality of newer constructions in Egypt.
In this chapter, we will discuss and evaluate integration of cell sourcing, biomaterial support, bioprinting device compatibility, and postfabrication tissue support, and how these characteristics are mandatory considerations for practical realization of viable and functional tissue engineered organ and organoid structures.
Nevertheless, since functional compatibility between donor hiPSC-CMs and host myocardium is likely to contribute to an improved functional outcome of the cell engraftment as well as a reduction in potential pro-arrhythmic risk, detailed characterization of their Ca2+-handling characteristics is mandatory.
Science
The collection of eight patient, tumour and planned treatment characteristics was mandatory at randomisation and hence all were complete (Table 1).
Brain imaging, performed within 2 days after surgery, showing residual disease with the above characteristics was mandatory for patients undergoing repeat surgery for recurrence.
Science
This ensures countries do not adopt technical regulations (mandatory requirements for product characteristics or production methods including terminology, labelling and packaging requirements) that create unnecessary barriers to trade.
Science
Expert writing Tips
Best practice
When using "mandatory characteristics", clearly define the context and the reason why these characteristics are essential. This provides clarity and avoids ambiguity.
Common error
Avoid using "mandatory characteristics" when the features are merely preferred or recommended. Ensure they are genuinely indispensable for the intended purpose to maintain credibility.
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "mandatory characteristics" functions as a noun phrase, where "mandatory" acts as an adjective modifying the noun "characteristics". It describes specific qualities or features that are required or essential. Ludwig AI confirms this with real-world examples.
Frequent in
Science
60%
News & Media
20%
Wiki
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "mandatory characteristics" refers to essential or required qualities. Ludwig AI validates this phrase's correctness and identifies its frequent use in scientific and technical contexts. While grammatically sound, it's important to ensure the described characteristics are truly indispensable. Alternatives like "required attributes" or "essential features" can be used for variety. When employing this phrase, specify the context and the reasons for the mandatory nature of these characteristics to avoid ambiguity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
required attributes
Focuses on the necessity of these attributes for a specific purpose.
essential features
Highlights the fundamental nature of these features.
necessary qualities
Emphasizes the importance of these qualities for fulfilling a requirement.
requisite properties
Highlights the formally required properties.
indispensable traits
Stresses that these traits are crucial and cannot be done without.
compulsory aspects
Focuses on the obligatory nature of these aspects.
must-have elements
Highlights that these elements are non-negotiable.
obligatory specifications
Emphasizes the binding nature of these specifications.
critical factors
Stresses the importance of these factors in achieving a goal.
key requirements
Highlights that these requirements are central and essential.
FAQs
How can I use "mandatory characteristics" in a sentence?
You can use "mandatory characteristics" to describe the essential qualities or features something must possess. For instance, "The "mandatory characteristics" for this role include strong leadership and communication skills".
What are some alternatives to using "mandatory characteristics"?
Alternatives include "required attributes", "essential features", or "necessary qualities", depending on the specific context.
Is there a difference between "mandatory characteristics" and "optional characteristics"?
"Mandatory characteristics" are required and essential, whereas "optional characteristics" are not necessary but may be desirable or beneficial.
What makes certain characteristics "mandatory"?
Characteristics become mandatory when they are indispensable for achieving a specific outcome, meeting a specific requirement, or fulfilling a particular function. This is especially common in engineering or scientific contexts.
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.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested