1
: the base of a number system or of logarithms
2
: the primary source

Examples of radix in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Instead he might have been remembered as another god or angel among many, who came down for a while to heal some bodies, heal some souls, who tried in vain to teach us how to get back to the radix of our lives, then left again. — Lamorna Ash, The Dial, 6 May 2025

Word History

Etymology

Latin, root — more at root

First Known Use

1607, in the meaning defined at sense 2

Time Traveler
The first known use of radix was in 1607

Cite this Entry

“Radix.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radix. Accessed 29 Sep. 2026.

Medical Definition

: the base or root of something (as a plant or a cranial or spinal nerve)

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