x-intercept

noun

x-in·​ter·​cept ˈeks-ˈin-tər-ˌsept 

: the x-coordinate of a point where a line, curve, or surface intersects the x-axis

Word History

First Known Use

circa 1939, in the meaning defined above

Kids Definition

x-intercept

noun

x-in·​ter·​cept

ˈek-ˈsint-ər-ˌsept

: the abscissa of a point where a line or curve intersects the x-axis compare y-intercept