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principal focus

American  

noun

Optics.
  1. focal point.


principal focus British  

noun

  1. another name for focal point

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of principal focus

First recorded in 1825–35

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:

A principal focus of the hearing, however, was this claim that doctors were being distracted from other more important medical care by mifepristone-related emergencies.

From Slate Mar. 21, 2023

Przemysl emerged as a principal focus of the ongoing exodus because it is the first major city to the west of Medyka, the busiest crossing point along the 300-mile Polish-Ukrainian border.

From Los Angeles Times Mar. 2, 2022

It was the same year in which McConnell identified his party’s principal focus.

From MSNBC Mar. 5, 2019

That’s the principal focus of the FBI and the Senate Intelligence Committee, which is moving forward with its work despite all the controversy involving the House committee and the White House.

From Washington Post Mar. 31, 2017

There are two ways of solving the difficulty: first, by using a lens of great focal length; and secondly, by placing the revolving mirror within the principal focus of the lens.

From Experimental Determination of the Velocity of Light Made at the U.S. Naval Academy, Annapolis by Michelson, Albert A.

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