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
a common half
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a common half" is not standard or widely recognized in written English.
It may be used in specific contexts where "half" refers to a shared or mutual aspect, but clarity is essential. Example: "In our discussions, we found a common half of our interests that we could build upon."
Science
News & Media
Wiki
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
3 human-written examples
Members of the enolase superfamily share a common ENOSF fold and catalyze a common half reaction: they all abstract protons adjacent to carboxyl groups from a wide array of substrates.
Science
13 Specifically, changes from standard European eating habits to a C4 plant-dominated diet revealed a common half life of about 17 days in the C enrichment process of the urinary steroids.
The template switch during TPRT was proposed as possible mechanism to explain the formation of chimeric retrotranscripts from a full copy of U6 small nuclear RNA fused to the 3'terminus of L1 [ 29- 31] and the observation that several SINE families have a common 5' half sequence but different 3'tails [ 32, 33].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
A common half-serious suggestion was that Putin had had her locked in a nunnery — just as the Russian tsars did when they sought to get rid of unwanted tsarinas.
News & Media
Since we determined the depth to the engineering bedrock at 29 sites, we used a common half-space layer for each site as the engineering bedrock with an average Vs of ~780 m/s.
Science
Similarly, in a fold bifurcation, two nested cycles of opposite stabilities collide and disappear, through a bifurcation stage of a common half-stable cycle.
Science
A limit point (or saddle node) bifurcation appears when two equilibria (one stable and one unstable) traveling in the phase-plane collide and disappear, through an intermediate stage of a common half-stable equilibrium (i.e, with one null eigenvalue of the Jacobian).
Science
Catalytic promiscuity is defined as the ability of an enzyme to promote distinct chemical transformations that are often related by a common half-reaction or involve a common intermediate.
Science
A common half-strength dilution rate is about ½ teaspoon of fertilizer per gallon of water, but this varies.[3].
Wiki
In poor countries, vitamin supplements —a common expedient reach less than half of those who most need them, the rural poor.
News & Media
The analysis of the electrical potential, or voltage, developed by pairing various half reactions in electrochemical cells has led to the determination of redox potentials for a substantial number of common half reactions.
Encyclopedias
Expert writing Tips
Best practice
When using "a common half", ensure the context clearly indicates what is being shared or divided. Clarity is key to avoid ambiguity.
Common error
Avoid using "a common half" in contexts where a more specific description of the shared portion or element would be more informative. For instance, instead of saying "they share a common half", specify the exact shared characteristic or attribute.
Source & Trust
82%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a common half" primarily functions as a descriptor, often modifying a noun to indicate a shared or mutual portion. Ludwig AI finds examples in scientific and news contexts where it describes shared reactions, sequences, or characteristics.
Frequent in
Science
40%
News & Media
35%
Wiki
15%
Less common in
Formal & Business
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "a common half" is an acceptably grammatical, though not frequently used, descriptor indicating a shared or mutual portion. Predominantly found in scientific and news contexts, the phrase serves to highlight shared elements or characteristics. When using "a common half", ensure contextual clarity to avoid ambiguity, and consider alternatives like ""a shared portion"" or ""a mutual part"" for enhanced specificity. Ludwig AI confirms its presence in diverse sources, albeit with a note for careful usage.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a shared portion
Focuses on the aspect of sharing rather than the specific fraction.
a mutual part
Emphasizes the reciprocal nature of the shared element.
a prevalent moiety
More formal and scientifically oriented, suggesting a common segment or component.
a frequent moiety
Similar to 'prevalent moiety' but indicating how often it can be found.
a typical half
Highlights the typical or expected nature of the half being referred to.
a universal portion
Suggests that this half is applicable or found everywhere.
a general section
More broadly refers to a section that is common across different instances.
a standard segment
Implies that the half is part of a standard or established structure.
a ubiquitous fragment
Suggests the fragment is widespread or commonly encountered.
a regular division
Focuses on the act of dividing something into a regular or common half.
FAQs
What does "a common half" mean?
The phrase "a common half" refers to a portion, aspect, or characteristic that is shared or typical across multiple instances. It implies a mutual element constituting approximately one-half of something.
How can I use "a common half" in a sentence?
You can use "a common half" to describe shared features or characteristics, such as "The two species share "a common half" of their DNA" or "The buildings have "a common half" of their design elements".
What are some alternatives to "a common half"?
Alternatives include "a shared portion", "a mutual part", or "a prevalent moiety", depending on the context.
Is "a common half" grammatically correct?
While not the most conventional phrase, "a common half" is grammatically acceptable when used to describe a shared or typical portion. Its acceptability depends on the clarity and context of its usage, which Ludwig AI confirms.
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
82%
Authority and reliability
3.8/5
Expert rating
Real-world application tested