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Dec 1 2009   5:22PM GMT

Principle or principal?

Ivy Wigmore Ivy Wigmore Profile: Ivy Wigmore

Which is correct?

The seminar covered an introduction to the _________ wireless protocols.
a. principal
b. principle

Answer:  a

In this sentence, principal is an adjective meaning most important.

Principle, on the other hand, is only a noun and has meanings like rule of conduct or fundamental law.

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