a boundary exists

USAGE SUMMARY

The phrase "a boundary exists" is correct and usable in written English.
You can use it when discussing the presence of limits or separations in various contexts, such as personal relationships, physical spaces, or abstract concepts. Example: "In any healthy relationship, a boundary exists that defines personal space and mutual respect."

✓ Grammatically correct

Science

Encyclopedias

News & Media

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

Preliminary results suggest that the second fit parameter, α, is an indicator of how sharp a boundary exists between the reacted and unreacted portions of the ion exchange bead.

Hydrometallurgy

Although many attempts (radical resection and radiation therapy) have been made to suggest that a boundary exists, gliomas are typically diffuse with no clear boundary defining the interface between pathological and normal tissue.

British Journal of Cancer

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

Additionally, the gradient of ΔEPT across the convergence line was significantly large, indicating that a boundary existed between the stable air mass and the unstable air mass.

Progress in Earth and Planetary Science

Hence, our results showing that a boundary existed on the Affect Grid ratings are sufficient to indicate that a categorical-perception effect did occur regarding arousal for the excitement disgust continuum and valence for the surprise sadness continuum.

Cognition and Emotion

Offshore, a transitional boundary separates seafloor types B and C. A sharp boundary exists between seafloor type B and seafloor type D sediments in a water depth of 16 to 18 m (Fig. 2(A)).

Earth, Planets and Space

Our results show that a major boundary exists within the MFTB, across which stratigraphic units show distinct facies and thickness changes.

Journal of South American Earth Sciences

This model is also consistent with the observation of the 2014 Aegean Sea earthquake if we assume that a segment boundary exists at the hypocenter.

Earth, Planets and Space

From their results, it seems that a structural boundary exists near the location of the Gifu-Ichinomiya fault shown by the Research Group for Active Faults of Japan (1991).

Earth, Planets and Space

In this limiting case, a sharp boundary exists between the complete activation of the secondary signal near the origin, where the primary signal exceeds the threshold, and its complete inactivity further away.

Plosone

To date, there is no consensus on where boundaries between disease and non-disease lie, if such a definite boundary exists.

Alzheimer's Research and Therapy

Thus a distinctive boundary exists between SBLac[-15] and SBLac[-109] but similar to loss of activity at the 5′ end of the regulatory domain, expression is initially reduced before becoming undetectable.

Development (Cambridge)

Expert writing Tips

Best practice

When using the phrase "a boundary exists", ensure that the context clearly defines what the boundary separates or delineates. Providing specific details enhances clarity.

Common error

Avoid using "a boundary exists" without specifying what the boundary is between. Saying "a boundary exists" without context leaves the reader wondering about the nature and significance of that boundary.

Linguistic Context

The phrase "a boundary exists" functions as a statement of fact, indicating the presence of a limit, division, or separation. Ludwig AI confirms its correct usage in English. Examples in Ludwig illustrate it defining limits in physical, conceptual, and emotional contexts.

Expression frequency: Uncommon

Frequent in

Science

53%

Encyclopedias

24%

News & Media

23%

Less common in

Formal & Business

0%

Wiki

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, the phrase "a boundary exists" is a grammatically correct and neutrally-toned statement used to indicate the presence of a limit or separation. Ludwig AI confirms the phrase is usable in written English. It commonly appears in scientific, encyclopedia, and news contexts. When using this phrase, ensure that the context clearly defines what the boundary separates. Alternatives include "a limit exists" and "a separation is present", depending on the specific nuance you wish to convey.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a limit exists

Replaces "boundary" with "limit", focusing on the restriction or end point.

a separation is present

Uses "separation" instead of "boundary", emphasizing the act of dividing.

a demarcation line exists

Specifies the "boundary" as a "demarcation line", suggesting a clear and distinct border.

a dividing line is present

Similar to 'demarcation line', but less formal, implying a separation between two things.

a distinct border is present

Emphasizes the clarity and obviousness of the "boundary".

a defined limit can be found

Focuses on the definitive nature of the limit or "boundary".

a clear distinction can be seen

Highlights the difference created by the "boundary" rather than the "boundary" itself.

a line of division is present

Replaces "boundary" with a more descriptive phrase indicating a separation.

there is a dividing line

Shifts the sentence structure while retaining the core meaning of a "boundary" being present.

there is a defined separation

Emphasizes the defined nature of the separation caused by the "boundary".

FAQs

How can I use "a boundary exists" in a sentence?

Use "a boundary exists" to indicate the presence of a limit or separation between two things. For instance, "In any healthy relationship, "a boundary exists" that defines personal space and mutual respect."

What are some alternatives to "a boundary exists"?

Alternatives include "a limit exists", "a separation is present", or "a demarcation line exists depending on the context".

Is it better to say "a boundary exists" or "a boundary is present"?

Both ""a boundary exists"" and "a boundary is present" are grammatically correct and convey a similar meaning. The choice depends on stylistic preference.

What does it mean when we say "no such boundary existed"?

Saying "no such boundary existed" means there was no limit or separation between the things being discussed. For example, "While other actors preserve boundary lines between their private lives and their performances, no such boundary existed between Brando the actor and Brando the man."