external surface

USAGE SUMMARY

The phrase "external surface" is correct and usable in written English.
It can be used to describe the outermost layer or boundary of an object, often in contexts related to materials, architecture, or biology. Example: "The external surface of the building was designed to withstand harsh weather conditions."

✓ Grammatically correct

Science

Encyclopedias

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

S. flava var rubricorpora: external surface is red-purple and its lid is green with red venation.

The Guardian - Lifestyle

There are two grooves on the external surface of the heart.

Encyclopedia Britannica

Parasites of humans include protozoans, helminths, and ectoparasites (organisms that live on the external surface of a host).

Encyclopedia Britannica

Heat is eliminated from the bodies of animals by conduction to the external surface of the organism.

Encyclopedia Britannica

Fin external surface at extremities (m2).

International Journal of Energy and Environmental Engineering

The external surface of heat transfer (m2).

International Journal of Industrial Chemistry

Radial distance from the external surface in a circular model.

International Journal of Concrete Structures and Materials

3) Then, there is the external surface, the "skin".

City, Territory and Architecture

Fin external surface convective coefficient (Wm−2 K−1).

International Journal of Energy and Environmental Engineering

High external surface exposed to the flame radiosity.

Energy, Sustainability and Society

Perpendicular distance from external surface in the slab model.

International Journal of Concrete Structures and Materials

Expert writing Tips

Best practice

When describing a physical object, use "external surface" to clearly specify the outermost boundary. This term avoids ambiguity compared to simply using "surface".

Common error

Avoid using "external surface" when simpler terms like "outside" or "exterior" suffice. Overuse can make your writing sound unnecessarily technical.

Linguistic Context

The phrase "external surface" functions primarily as a noun phrase, often acting as a subject or object within a sentence. Ludwig confirms its correct usage across various contexts.

Expression frequency: Very common

Frequent in

Science

75%

News & Media

10%

Wiki

7%

Less common in

Encyclopedias

5%

Formal & Business

3%

Reference

0%

Ludwig's WRAP-UP

The phrase "external surface" is a grammatically sound noun phrase widely used to denote the outermost layer of an object or organism. As highlighted by Ludwig, it appears most frequently in scientific contexts, as well as Encyclopedias and News & Media, indicating its precision and descriptive utility. While synonymous with terms like "outer surface" and "exterior surface", "external surface" provides a specific emphasis suitable for technical writing. Though versatile, avoid overuse in general contexts where simpler alternatives suffice. Ludwig confirms that "external surface" is accurate and natural in English writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

outer surface

Interchangeable term emphasizing the outermost layer.

exterior surface

Formal synonym referring to the outer part or layer.

outward surface

Highlights the direction or orientation of the surface.

surface layer

Focuses on the outer stratum or coating.

superficial area

Implies the area is on the surface and not deep.

exposed surface

Emphasizes that the surface is visible and accessible.

visible face

Highlights the visual aspect of the surface.

surface area

Broader term referring to the total area of the surface.

outer shell

Describes the enclosing structure of an object.

facing

Refers to the material covering the external surface.

FAQs

How do I use "external surface" in a sentence?

Use "external surface" to describe the outermost layer or boundary of an object. For example, "The artist carefully polished the "exterior surface" of the sculpture".

What can I say instead of "external surface"?

You can use alternatives like "outer surface", "exterior surface", or "outward surface", depending on the context.

Is there a difference between "external surface" and "outer surface"?

While both terms are largely interchangeable, "external surface" may be preferred in technical or scientific contexts, whereas "outer surface" is more commonly used in general writing.

When should I use "external surface" instead of just "surface"?

Use "external surface" when you need to specifically emphasize the outermost boundary of an object, distinguishing it from any internal surfaces or layers. Otherwise, just using "surface" may lead to ambiguity.