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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
principal industry
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "principal industry" is correct and usable in written English.
You would typically use it when referring to either the most important industry in a particular region or the main source of economic activity in a certain area. For example, "Fishing is the principal industry in this coastal town."
✓ Grammatically correct
Encyclopedias
News & Media
Wiki
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
41 human-written examples
The manufacture of hats was long the principal industry; today a diversified industrial economy produces electronic equipment, textiles, machinery, and hardware.
Encyclopedias
Fishing is the principal industry in Sisimiut, although the town has a growing industrial base.
Wiki
Agriculture remained the principal industry.
Encyclopedias
Its principal industry is textile manufacturing.
Encyclopedias
Fishing is a principal industry.
Encyclopedias
Today, tourism is the city's principal industry.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
19 human-written examples
Principal industries are textiles, tourism, and industrial machinery.
Encyclopedias
Three principal industries of Hawaii are sugar, pineapples & tourism.
News & Media
Principal industries now include food and confectionery and engineering.
Encyclopedias
Principal industries are business and research services, agriculture, and manufacturing.
Encyclopedias
Lumbering, woodworking, and glass grinding are the principal industries.
Encyclopedias
Expert writing Tips
Best practice
When describing a region's economic structure, use "principal industry" to clearly identify the sector that contributes the most to its economy.
Common error
While "principal industry" is accurate, avoid using it repeatedly in close proximity. Vary your language with synonyms like "leading sector" or "key economic activity" to maintain reader engagement.
Source & Trust
81%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "principal industry" functions as a noun phrase, typically used as a subject complement or object. It identifies the most important economic activity in a specific area. Ludwig's examples show it describing various sectors like fishing, textiles, and tourism.
Frequent in
Encyclopedias
29%
News & Media
27%
Wiki
13%
Less common in
Academia
2%
Science
14%
Formal & Business
14%
Ludwig's WRAP-UP
The phrase "principal industry" is a grammatically sound and frequently used term to denote the most important economic activity in a given area. According to Ludwig, it is observed across diverse sources, including encyclopedias, news media, and online wikis. While the phrase is considered correct, it's important to use synonyms to avoid repetition in writing. It serves the purpose of clearly identifying and emphasizing the primary economic driver of a region, contributing to a better understanding of its economic structure. Considering its widespread use and clear meaning, it's a valuable term for both general knowledge and professional communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
main industry
Focuses on the importance of the industry.
leading industry
Highlights the industry's prominent position.
primary economic activity
Emphasizes the economic contribution.
dominant sector
Highlights that the industry is the dominant business sector.
key sector
Emphasizes the importance of the sector.
major industry
Focuses on the large scope of the industry.
chief industry
Highlights that the industry is the chief one.
foremost industry
Emphasizes the advanced position of the industry.
top industry
Highlights that the industry is one of the best ones.
most important industry
Focuses on the degree of the industry's importance.
FAQs
What does "principal industry" mean?
The "principal industry" refers to the main or most important industry in a specific region, area, or economy. It's the sector that typically contributes the most to the area's economic output and employment.
What can I say instead of "principal industry"?
You can use alternatives like "main industry", "leading industry", or "key sector" to convey a similar meaning.
How do I use "principal industry" in a sentence?
You can use "principal industry" in a sentence like this: "Tourism is the "principal industry" in many coastal towns." or "Agriculture was once the "principal industry" of the region."
Is it correct to say "principal industries"?
Yes, "principal industries" is the plural form and should be used when referring to multiple main industries within a region or economy.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.6/5
Expert rating
Real-world application tested