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principal point

American  

noun

Optics.
  1. the point where a principal plane intersects the axis.


Etymology

Origin of principal point

First recorded in 1695–1705

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Rather than seeing records as marketing adjuncts to concert tours, he showed that recordings could be the principal point of contact — in his case, the only point — between musicians and their fans.

From Los Angeles Times Apr. 9, 2024

Let me stress that all of the above would make superb gifts, but my principal point is simply: Find out what your friends and loved ones like, then seek out books that will surprise them.

From Washington Post Dec. 2, 2022

His principal point is that the power of the real-estate state flows from the dynamic between development and the profession of city planning.

From The New Yorker Nov. 20, 2019

"However, what no player should expect is that his head will be picked and made the principal point of contact on such a hit."

From Reuters Nov. 29, 2011

The principal point about which I am uncertain is whether I shall be able to have my new oratorio ready in time for your Festival.

From The History of Mendelssohn's Oratorio "Elijah" by Edwards, Frederick George

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