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key source

The most important or main source of information for something.

B1Adjective + NounNode word: key

Meaning

The most important or main source of information for something.

Example Sentences

  • “The company's key source of revenue is its software development division.”
  • “The researcher identified the library archives as the key source of historical data.”

Quick Answers

What does “key source” mean?

The most important or main source of information for something.

How do you use “key source” in a sentence?

“The company's key source of revenue is its software development division.”

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