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y-intercept

American  
[wahy-in-ter-sept] / ˈwaɪˌɪn tərˌsɛpt /

noun

Mathematics.

  1. on a Cartesian graph, the point at which a curve or line intersects the y-axis.

Etymology

Origin of y-intercept

First recorded in 1860–65

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.

In this text, the form y = a + bx is used, where a is the y-intercept and b is the slope.

From Textbooks • Mar. 27, 2020

No. The y-intercept would occur at year 0, which doesn’t exist.

From Textbooks • Mar. 27, 2020

The slope of the regression line is –0.3031 with a y-intercept of 31.93.

From Textbooks • Mar. 27, 2020

A plot of ln k versus is linear with a slope equal to and a y-intercept equal to ln A.

From Textbooks • Feb. 14, 2019

The constant, b0, is the y-intercept, the value where the line crosses the y-axis.

From Textbooks • Nov. 29, 2017

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.