principal argument

American  

noun

Mathematics.

1. the radian measure of the argument between −π and π of a complex number.

---

Example Sentences

In early 2006, the coalition hired Wiley to advise Saddam’s lawyers, whose principal argument was that the court itself was illegal.

From The New Yorker • Apr. 18, 2016

His principal argument was the “sheer confusion” over the similarity between Australia and New Zealand’s flags.

From The Guardian • Mar. 25, 2016

“There are good reasons,” Kethledge begins, “not to call an opponent’s argument ‘ridiculous,’ which is what State Farm calls Barbara Bennett’s principal argument here.

From Washington Post • Sep. 25, 2013

But that seeming tension only points to a principal argument of “Why I Am a Five Percenter,” that religious identity is not necessarily about belief, or even about culture.

From New York Times • Oct. 29, 2011

The principal argument used by the manufacturer of a labor-saving device is, "It makes money and saves work."

From Think A Book for To-day by Hunter, Col. Wm. C.