log·​nor·​mal | \ ˌlȯg-ˈnȯr-məl How to pronounce lognormal (audio) , ˌläg- \

Definition of lognormal

: 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

Keep scrolling for more

Other Words from lognormal

lognormality \ ˌlȯg-​nȯr-​ˈma-​lə-​tē How to pronounce lognormality (audio) , ˌläg-​ \ noun
lognormally \ ˌlȯg-​ˈnȯr-​mə-​lē How to pronounce lognormally (audio) , ˌläg-​ \ adverb

Examples of lognormal in a Sentence

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, "Why Don’t Patients Get Sick in Sync? Modelers Find Statistical Clues," 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.

First Known Use of lognormal

1945, in the meaning defined above

Keep scrolling for more

Learn More about lognormal

Time Traveler for lognormal

Time Traveler

The first known use of lognormal was in 1945

See more words from the same year

Statistics for lognormal

Cite this Entry

“Lognormal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lognormal. Accessed 28 Oct. 2020.

Comments on lognormal

What made you want to look up lognormal? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Here Be Dragons: A Creature Identification Quiz

  • monster werewolf photo
  • Which is a synonym of werewolf?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!