fatty liver

noun

: an abnormal condition of the liver that is marked by excess lipid accumulation in the hepatocytes and is typically associated with obesity, malnutrition, rapid weight loss, excessive alcohol consumption, hyperlipidemia, toxins, or diabetes
also : a liver affected with fatty liver

Word History

First Known Use

circa 1839, in the meaning defined above

Time Traveler
The first known use of fatty liver was circa 1839

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Cite this Entry

“Fatty liver.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fatty%20liver. Accessed 20 Apr. 2025.

Medical Definition

fatty liver

noun
1
: an abnormal condition of the liver that is marked by excess accumulation of lipids (such as triglycerides) in the hepatocytes and is typically associated with obesity, malnutrition, rapid weight loss, excessive alcohol consumption, high levels of fat in the blood, diabetes, or toxins

Note: Fatty liver is often asymptomatic and benign but may progress to fibrosis and liver failure.

2
: a liver affected with fatty liver

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