log·​nor·​mal ˌlȯg-ˈnȯr-məl How to pronounce lognormal (audio)
: relating to or being a normal distribution that is the distribution of the logarithm of a random variable
also : relating to or being such a random variable
lognormality noun
lognormally adverb

Example Sentences

Recent Examples on the Web In experiments in which the trigger for a cancer’s development is known, the length of time for symptoms to appear falls along a lognormal distribution, rather than a bell curve. Quanta Magazine, 1 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lognormal.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of lognormal was in 1945

Dictionary Entries Near lognormal

Cite this Entry

“Lognormal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lognormal. Accessed 27 Jan. 2023.

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