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
fixed area
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "fixed area" is correct and usable in written English.
It can be used to describe a specific, unchanging space or region, often in contexts like mathematics, geography, or real estate. Example: "The park has a fixed area of 50 acres, which cannot be altered by any future developments."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
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
60 human-written examples
In general, rectangular strip designs outperformed fixed area circular or radial plots and variable area plots.
Finally we prove a compactness theorem for sequences of regions with uniformly bounded depth, whose outer boundaries have fixed area and an upper bound on Hawking mass.
This indicates that within fixed area, there is large number of patches.
Science
Examples 1, 2 and 5 represent forest populations in which the sampling units are fixed area or variable radius sample plots.
Since the fixed area generally exceeds the minimum required to hold a given volume, closed vesicles generally adopt non-spherical, non-unique shapes [21].
Science
For every section, all immunopositive cells of a square of fixed area within 500 µm from the tip of retina were counted.
Science
These include: Fixed Area - Chooses the area you want to record with.
Wiki
This reference triangle is equilateral, and it has a fixed orientation and a fixed area A0.
Science
They have their own fixed area of responsibility, and they are not permanent.
News & Media
The area sampled by the fixed area sampling design (3.5 m2) was independent of intertidal width.
The packages were fitted with fixed area (69, 126.5, and 195.5 cm2) of different permeable membranes (NatureFlex, Xtend, and Propafilm).
Expert writing Tips
Best practice
When describing experiments or data collection, use "fixed area" to clearly define the scope of your analysis. This ensures reproducibility and clarity in your methodology.
Common error
Avoid using "fixed area" when the area under consideration is actually changing or adaptable. Always ensure the area remains constant throughout the process being described.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "fixed area" functions as a noun phrase, where "fixed" acts as an adjective modifying the noun "area". It specifies that the area being referred to has constant and unchanging dimensions. Ludwig provides numerous examples showcasing this use in various contexts.
Frequent in
Science
50%
Academia
20%
News & Media
10%
Less common in
Formal & Business
7%
Wiki
7%
Encyclopedias
6%
Ludwig's WRAP-UP
In summary, the phrase "fixed area" is a grammatically sound and frequently used term, primarily in scientific and academic contexts, as Ludwig demonstrates. It serves to define regions or spaces with constant and unchanging dimensions, ensuring clarity and precision in descriptions and analyses. The analysis from Ludwig AI confirms that the phrase is correct and usable, making it a reliable choice for technical writing. While alternatives like "defined space" or "designated region" exist, "fixed area" remains a straightforward and widely understood option.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
defined space
Replaces "fixed" with "defined", emphasizing the established or specified nature of the area.
set zone
Uses "set" to indicate the area is predetermined, and "zone" as a synonym for area.
designated region
Emphasizes that the area has been officially assigned or indicated.
specific territory
Highlights the exact and limited nature of the space.
predetermined perimeter
Focuses on the boundaries of the area being established in advance.
established sector
Uses "established" to convey the area is already recognized and "sector" as an area within a broader scope.
constant dimension
Shifts focus to the unchanging size of an object, rather than an area.
limited expanse
Emphasizes that the area is not large and has defined boundaries.
static surface
Highlights the unchanging nature of a surface, rather than an area.
bounded space
Focuses on the containment aspect of the area, indicating it has clear limits.
FAQs
How can I use "fixed area" in a sentence?
You can use "fixed area" to describe a region with unchanging dimensions, for example, "The experiment was conducted within a "fixed area" of 10 square meters."
What are some alternatives to "fixed area"?
Alternatives include "defined space", "set zone", or "designated region", depending on the specific context.
In what contexts is "fixed area" commonly used?
"Fixed area" is frequently used in scientific research, particularly in ecology, biology, and physics, to describe the scope of a study or experiment. It's also common in mapping and surveying.
What is the difference between "fixed area" and "variable area"?
"Fixed area" refers to a region with constant dimensions, while "variable area" indicates that the size of the region can change or be adjusted. For instance, when sampling, a "fixed area" plot maintains a consistent size, whereas a variable area plot's size might depend on the density of the objects being sampled.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested