real zero

American  

[ree-uhl zeer-oh, reel] / ˈri əl ˈzɪər oʊ, ˈril /

noun

1. Mathematics. a real number that crosses the x-axis on the graph of a function.

2. gross zero.

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Etymology

Origin of real zero

First recorded in 1900–05 real zero for def. 1; 2005–10 real zero for def. 2

Example Sentences

They see real zero as a whole new lens with which to view equitable climate action, one that rejects a single-minded, technocratic focus on greenhouse gas emissions.

From Salon • Apr. 12, 2023

At least two major companies, the utilities NextEra and National Grid, have eschewed their own net-zero goals in favor of real zero.

From Salon • Apr. 12, 2023

“The truth of it is, the real zero is how much of your mind is on email,” he says.

From Slate • Apr. 3, 2019

We see that one zero occurs at Also, since is negative and is positive, by the Intermediate Value Theorem, there must be at least one real zero between 3 and 4.

From Textbooks • Feb. 13, 2015

But Francis has apparently turned a deaf ear towards those clamouring for a real zero tolerance policy by the Vatican.

From BBC • Mar. 13, 2014