millimeter
noun
a unit of length equal to one thousandth of a meter and equivalent to 0.03937 inch. mm
millimeters
-
pluralof millimeter.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They also had to be in direct contact -- a few millimeters apart, and nothing significant happened.
From Barron's ● Oct. 14, 2026
A reading of 120 over 80, measured in millimeters of mercury, could indicate prehypertension.
From The Wall Street Journal ● Oct. 11, 2026
That enormous concentration of water pulls Earth's center of mass 2.2 millimeters toward South America.
From Science Daily ● Oct. 7, 2026
Sea-level rise is measured in millimeters, so tiny drifts in the reference frame prevent accurate calculations of coastal risk.
From The Wall Street Journal ● Aug. 7, 2026
The film itself, loaded into the T-50 by specially trained technicians, was barely wider than the lens—a mere five millimeters.
From "Spies: The Secret Showdown Between America and Russia" by Marc Favreau
