cross section area

USAGE SUMMARY

The phrase "cross section area" is not correct in standard English; the correct term is "cross-sectional area." You can use it in contexts related to geometry, physics, or engineering when discussing the area of a particular section of an object that is cut perpendicular to its length.
Example: "The cross-sectional area of the beam is crucial for determining its load-bearing capacity."

⚠ May contain grammatical issues

Science

Human-verified examples from authoritative sources

Exact Expressions

24 human-written examples

Jonas JB, Holbach L, Panda-Jonas S. Scleral cross section area and volume and axial length.

Nature

A small height is required when the cross section area is constant.

Energy Conversion and Management

The power per thermoelectric material cross section area ranged from 1 to 3 W cm−2.

Energy Conversion and Management

The channel had a cross section area of 100 250 mm2.

Energy Conversion and Management

The change in the cross section area is measured using Nanson's formula.

Journal of Sound and Vibration

Meanwhile, wave reflection and transmission matrices are formulated for cross section area discontinuity condition.

Journal of Sound and Vibration

Human-verified similar examples from authoritative sources

Similar Expressions

36 human-written examples

The resulting profiles can have considerably high cross-section area.

Materials Science and Engineering: A

The mean shear stress was estimated on the basis of the mean cross-section area rather than the minimum cross-section area.

Materials Science and Engineering: A

Cross-section area comparison method was used to detect the damaged layers.

Manufacturing Letters

Mean fiber length, sarcomere length, physiological cross-section area and pennation angle were measured.

Journal of Electromyography and Kinesiology

The cases of both channels with the same cross-section area, height and width are discussed.

Energy Procedia

Expert writing Tips

Best practice

When referring to the area of a section cut perpendicular to an object's length, use the grammatically correct term "cross-sectional area". While "cross section area" is understandable, it is not considered standard English.

Common error

Avoid omitting the hyphen in "cross-sectional area". The hyphen creates a compound adjective, clearly indicating the area relates to a cross-section. Without it, the phrase becomes grammatically awkward.

Linguistic Context

The phrase "cross section area" functions as a noun phrase, typically used to specify a measurement. While Ludwig AI indicates it's not grammatically correct, it appears frequently in certain contexts. Its purpose is to identify and quantify a particular two-dimensional area.

Expression frequency: Common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Ludwig's WRAP-UP

The term "cross section area" refers to the area of a section of an object cut perpendicular to its length. While widely used, especially in scientific and engineering fields, Ludwig AI notes that the grammatically correct form is "cross-sectional area". This involves adding a hyphen to create a compound adjective. Despite the grammatical issue, the phrase's meaning is generally clear. It's prevalent in science-related contexts. To avoid grammatical errors in formal writing, prioritize using the hyphenated form.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

cross-sectional area

Adds a hyphen for grammatical correctness, making it a compound adjective.

sectional area

A shortened version, removing "cross-" but maintaining the core meaning.

area of the cross section

Rephrases to emphasize the area calculation, using a prepositional phrase.

transverse area

Uses "transverse" as a synonym for "cross", indicating a cut perpendicular to the length.

surface area of the section

Focuses on the surface aspect of the cross section.

cut area

A more general term describing the area resulting from a cut.

area of section

Shortened form which assumes the "cross" is implicit.

section area

A slightly less common rearrangement, removing the "cross" prefix.

area of the profile

Emphasizes the shape's outline area when viewed from the end.

end area

Simplifies the term to refer to the area at the end of an object.

FAQs

Is it grammatically correct to say "cross section area"?

No, the grammatically correct term is "cross-sectional area". The hyphen is needed to form a compound adjective.

What does "cross-sectional area" refer to?

It refers to the area of a two-dimensional shape that is obtained by slicing a three-dimensional object perpendicular to a specified axis. It's commonly used in engineering and science.

Can I use "sectional area" instead of "cross section area"?

While understandable, "sectional area" is less precise than "cross-sectional area". The "cross-" prefix clarifies that the section is perpendicular to an axis.

How is "cross-sectional area" calculated?

The calculation depends on the shape of the cross-section. For example, if the cross-section is a circle, you would use the formula πr², where r is the radius.