bilirubin

noun
bil·​i·​ru·​bin | \ ˌbi-li-ˈrü-bən How to pronounce bilirubin (audio) , ˈbi-li-ˌrü- \

Definition of bilirubin

: a reddish-yellow water-insoluble pigment C33H36N4O6 that is formed by the breakdown of heme, is excreted in a water-soluble form by liver cells into bile, and occurs in blood and urine especially in diseased states — see jaundice

Examples of bilirubin in a Sentence

Recent Examples on the Web Each appointment is 30 minutes and allows the pediatrician to check the newborn's weight, perform a physical exam, provide counseling, and check the infant's bilirubin levels if necessary. Meredith Spelbring, Detroit Free Press, 30 Mar. 2020 When cholestasis happens, waste product known as bilirubin gets into the bloodstream. Ratika Gupta, SELF, 13 Sep. 2018 The blue light, explained Benes, decreases the level of bilirubin and helps yellowish bruises disappear faster. Cindy Krischer Goodman, sun-sentinel.com, 2 July 2019 This action can cause itchiness, possibly due to the bilirubin building up in the skin. Ratika Gupta, SELF, 13 Sep. 2018 Those issues included abnormal levels of liver enzymes and bilirubin (a compound usually excreted by the liver). Korin Miller, SELF, 24 Sep. 2018 The new algorithm also analyzed advanced biomarkers such as the levels of creatinine and bilirubin in the blood, which can offer clues about underlying infection. Ian Haydon, Philly.com, 26 June 2018 Biliverdin can kill cells, destroy neurons and kill cells, which is why human livers attempt to filter out bilirubin as quickly as possible. Laura Yan, Popular Mechanics, 20 May 2018 Gruber says eels fluoresce when one molecule, called bilirubin, interacts with another molecule. National Geographic, 11 June 2018

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

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First Known Use of bilirubin

1871, in the meaning defined above

History and Etymology for bilirubin

Latin bilis + ruber red — more at red

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Time Traveler for bilirubin

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The first known use of bilirubin was in 1871

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Dictionary Entries Near bilirubin

bilious

bilirubin

biliteral

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Cite this Entry

“Bilirubin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bilirubin. Accessed 25 Oct. 2021.

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More Definitions for bilirubin

bilirubin

noun
bil·​i·​ru·​bin | \ ˌbil-i-ˈrü-bən, ˈbil-i-ˌ How to pronounce bilirubin (audio) \

Medical Definition of bilirubin

: a reddish-yellow, crystalline, water-insoluble pigment C33H36N4O6 that is formed by the breakdown of heme, is excreted in a water-soluble conjugated form by liver cells into bile, and occurs in blood and urine especially in diseased states (such as cirrhosis, gallstones, and hemolytic anemia) … they may become jaundiced, their skin tinged yellow by the release of the pigment bilirubin from their damaged liver.— Larry Thompson, Discover, March 1994

More from Merriam-Webster on bilirubin

Britannica English: Translation of bilirubin for Arabic Speakers

Britannica.com: Encyclopedia article about bilirubin

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