direct variation

noun

1
: mathematical relationship between two variables that can be expressed by an equation in which one variable is equal to a constant times the other
2
: an equation or function expressing direct variation compare inverse variation

Word History

First Known Use

circa 1949, in the meaning defined at sense 1

Time Traveler
The first known use of direct variation was circa 1949

Dictionary Entries Near direct variation

direct tide

direct variation

direct viewfinder

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Cite this Entry

“Direct variation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/direct%20variation. Accessed 20 Mar. 2023.

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Kids Definition

direct variation

noun
1
: mathematical relationship between two variables which can be expressed by an equation in which one variable is equal to a constant times the other
2
: an equation or function expressing direct variation compare inverse variation sense 2
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