co·​log·​a·​rithm (ˌ)kō-ˈlȯ-gə-ˌri-t͟həm How to pronounce cologarithm (audio)
: the logarithm of the reciprocal of a number

Word History

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of cologarithm was in 1881

Dictionary Entries Near cologarithm

Cite this Entry

“Cologarithm.” Dictionary, Merriam-Webster, Accessed 23 Jun. 2024.

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