slant height

noun

1

: the length of an element of a right circular cone

2

: the altitude of a side of a regular pyramid

Examples of slant height in a Sentence

Recent Examples on the Web

For example, the Great Pyramid of Giza (2560 B.C.) has a slant height of 186.3 meters and a base length of 115.2 meters with a ratio of 1.6172, almost exactly equal to the golden ratio. —Alan Lightman, The Atlantic, 5 Dec. 2022

Word History

First Known Use

1798, in the meaning defined at sense 1

Kids Definition

slant height

noun

1

: the distance along the surface of a right circular cone from the edge of the base to the vertex

2

: the altitude of a side of a regular pyramid