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.
Although the physical ring may measure only a few millimeters, the total effective distance traveled by the light depends on how little energy is lost from the waveguide each time it goes around.
From Science Daily ● Aug. 17, 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 United States, the Netherlands, and Italy also have elevated rates, averaging approximately 4 to 5 millimeters per year.
From Science Daily ● Aug. 3, 2026
Clarke’s team has spent the last two years sweating grams, watts, millimeters and pennies from every component, system or process, over and over.
From The Wall Street Journal ● Jun. 20, 2026
Then I went back behind him and turned the dials extremely slowly, a few millimeters at a time.
From "Extremely Loud and Incredibly Close" by Jonathan Safran Foer
