milliliter

American  

[mil-uh-lee-ter] / ˈmɪl əˌli tər /

especially British, millilitre

noun

1. a unit of capacity equal to one thousandth of a liter, and equivalent to 0.033815 fluid ounce, or 0.061025 cubic inch. ml

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milliliter Scientific  

/ mĭl′ə-lē′tər /

1. A unit of liquid volume or capacity in the metric system equal to 0.001 liter.

2. See Table at measurement

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Etymology

Origin of milliliter

From the French word millilitre, dating back to 1800–10. See milli-, liter

Compare meaning

How does milliliter compare to similar and commonly confused words? Explore the most common comparisons:

• liter vs. milliliter

Example Sentences

People with hepatitis B have 100 million to 10 billion infectious particles per milliliter of blood, says Dr. Paul Offit, an infectious disease physician at Children’s Hospital of Philadelphia.

From The Wall Street Journal • Oct. 3, 2025

Her stage name, she said, refers to a milliliter, a way to measure water.

From Los Angeles Times • Jun. 4, 2025

Major supermarkets have been selling olive oil for up to A$65 for a four-liter tin, and up to $26 for a 750 milliliter bottle.

From Salon • May 21, 2024

The threshold is about 100,000 copies per milliliter — a tiny fraction of the 1 billion to 1 trillion copies per milliliter individuals can have at their infectious peak, he says.

From Seattle Times • Jan. 18, 2024

The yolk-citrate extender was added to the semen at a rate which brought the sperm concentration in 0.5 milliliter to 200 million to 500 million.

From Preservation of Bull Semen at Sub-Zero Temperatures by Friedman, M. E.