slant height

noun

1
: the length of an element of a right circular cone
2
: the altitude of a side of a regular pyramid

Word History

First Known Use

1798, in the meaning defined at sense 1

Time Traveler
The first known use of slant height was in 1798

Rhymes for slant height

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Browse Nearby Words

slant-front
slant height
slantindicular
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Cite this Entry

“Slant height.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/slant%20height. Accessed 5 Jul. 2026.

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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
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