external boundary

USAGE SUMMARY

The phrase "external boundary" is correct and usable in written English.
It can be used to describe a limit or edge that separates one area from another, often in contexts related to geography, architecture, or systems. Example: "The external boundary of the property is marked by a tall fence that ensures privacy."

✓ Grammatically correct

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

Introductory external boundary layer flows.

Stanford University

But, by definition, for the "universe", there is no external boundary.

Nature

Technique is independent of external boundary conditions and does not require any differentiation of experimental data.

Aerospace Science and Technology

Internal vascular and external boundary layer film cooling strategies are considered.

International Journal of Heat and Mass Transfer

Both internal and external boundary conditions are important for the polar plume formation and dynamics.

Advances in Space Research

Cross disciplinary communication, was achieved through multiple engagement opportunities and common research outputs, all facilitated by an external boundary organization.

Current Opinion in Environmental Sustainability

Such a special flow accelerates external boundary layer flow over the rubbing surface, enhancing therefore local heat transfer.

Applied Thermal Engineering

Pressure and temperature developing profiles for crude oil transportation pipelines are simulated under a diversity of external boundary conditions.

Journal of Petroleum Science and Engineering

In this paradigm, belief systems, human attitudes and collective behaviours are perceived as external boundary conditions and not as integral part of management.

Ecological Economics

The Attorney General's regulation defines 'reasonable distance' as 'within 100 air miles from any external boundary of the United States.' The Court of Appeals upheld the search on the basis of the Act and regulation.

Cornell University

865, 8 U.S.C. 110 (1946 ed)., 7 authorizes appropriately designated Immigration and Naturalization officers to search vehicles 'within a reasonable distance from any external boundary of the United States' without a warrant.

Cornell University

Expert writing Tips

Best practice

When describing physical objects or spaces, use "external boundary" to refer to the outermost edge or limit that separates the object from its surroundings. This is especially useful in technical and scientific contexts.

Common error

Avoid using "external boundary" when you actually mean an internal dividing line or interface within a system. "External boundary" specifically refers to the outermost limit.

Linguistic Context

The phrase "external boundary" functions primarily as a noun phrase, often serving as a subject, object, or complement within a sentence. It identifies a specific edge or limit, and Ludwig AI indicates that it's considered grammatically correct.

Expression frequency: Very common

Frequent in

Science

75%

Academia

15%

Formal & Business

5%

Less common in

News & Media

2%

Encyclopedias

2%

Wiki

1%

Ludwig's WRAP-UP

The phrase "external boundary" is a grammatically sound and frequently used noun phrase, particularly in scientific and academic disciplines. Ludwig AI confirms its correctness and offers numerous examples across diverse domains. Its primary function is to denote the outermost limit or edge of a system, object, or area, serving a crucial role in defining parameters and scopes. While "outer boundary" can serve as a general synonym, "external boundary" carries a degree of formality and precision, making it more suitable for technical and scientific writings. Common errors involve misusing it for internal limits, and as such, precision in context is important. Its prevalence in sources like ScienceDirect and Cornell University underscores its academic and scientific relevance.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

external limit

Synonymous, but more formal.

outer limit

Focuses on the extreme limit or extent.

peripheral boundary

Suggests a boundary at the edge of something.

outer perimeter

Emphasizes the distance around the outside of a shape or area.

outer edge

Highlights the line where something ends.

bounding surface

Implies a surface that defines the limits of a volume.

confining edge

Stresses the act of limiting or containing.

surface border

Highlights the demarcation on a surface.

outer surface

Describes the outmost area.

limit of exposure

Highlights how far it is possible to reach.

FAQs

How is "external boundary" used in scientific writing?

In scientific contexts, "external boundary" typically refers to the outermost limit of a system or object under study, defining its interaction with the environment. For example, it could describe the edge of a cell, a geological formation, or a defined area in a simulation.

What's the difference between "outer boundary" and "external boundary"?

While "outer boundary" and "external boundary" are often used interchangeably, "external boundary" may imply a more specific or technical definition, particularly in scientific or legal contexts. "Outer boundary" tends to be more general.

Can I use "peripheral boundary" instead of "external boundary"?

You can use "peripheral boundary" as an alternative to "external boundary", but be mindful that "peripheral boundary" emphasizes the location at the edge or periphery, while "external boundary" simply denotes the outer limit.

Is "external boundary" appropriate for everyday conversation?

While technically correct, "external boundary" sounds more formal than necessary for most casual conversations. In everyday language, phrases like "outer edge" or "limit" are usually more suitable.