mi·​cro·​li·​ter ˈmī-krō-ˌlē-tər How to pronounce microliter (audio)
: a unit of capacity equal to one millionth of a liter see Metric System Table

Examples of microliter in a Sentence

Recent Examples on the Web To limit exposure, eggs are kept in tiny volumes of liquid, just 100 microliters of culture media coated in a protective layer of mineral oil to keep anything from getting in or out. Megan Molteni, STAT, 8 Apr. 2023 Thrombocytopenia occurs when someone has fewer than 150,000 platelets, also known as thrombocytes, per microliter of blood. Kristen Jordan Shamus, Detroit Free Press, 24 Apr. 2021 With just one, the scientists could detect as few as 100,000 viruses per microliter of solution, enabling tests with perfect accuracy in just five minutes. Courtney Linder, Popular Mechanics, 7 Dec. 2020 The National Heart, Lung and Blood Institute says that a normal platelet range for adults who don’t have ITP is 150,000 to 450,000 platelets per microliter of blood. Natasha Lavender, SELF, 30 Sep. 2020 Most concerning, his white blood cell count soared to 53,000 per microliter of blood. Richard A. Marini, ExpressNews.com, 29 May 2020 The test only needs a few drops of blood — at least 10 microliters — to work. Amanda Morris, azcentral, 11 Apr. 2020 In 2016, Carragher and colleagues reported developing a dispenser that sprays the solution like an inkjet printer, releasing picoliters instead of microliters—only one-millionth as much. Eric Hand, Science | AAAS, 23 Jan. 2020 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'microliter.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


International Scientific Vocabulary

First Known Use

circa 1890, in the meaning defined above

Time Traveler
The first known use of microliter was circa 1890

Dictionary Entries Near microliter

Cite this Entry

“Microliter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microliter. Accessed 6 Dec. 2023.

Medical Definition


variants or chiefly British microlitre
: a unit of capacity equal to one millionth of a liter
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