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

One of its air samplers, in Parcel C — collected 8.16 times 10‐15 picocuries per milliliter of Plutonium-239 — twice the established action level — according to a Navy spokesperson.

From Los Angeles Times • Nov. 7, 2025

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

This genomic technique involved collecting reef water samples, where there are about 1 million microbial cells in every milliliter, and sequencing the microbial DNA in the samples to identify microorganisms.

From Science Daily • Apr. 5, 2024

The book reviews how from 1973 to 2011 sperm concentration dropped from 99 million per milliliter to 47 million per milliliter, with 15 million per milliliter being the threshold before a man is declared infertile.

From Salon • Mar. 28, 2024

The results, presented in Table 6, show that the numbers of sperm between 10 and 90 million per milliliter did not influence the percentage of sperm that survived freezing.

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