Definition of millimeter
: a unit of length equal to 1⁄1000 meter — see metric system table
Recent Examples of millimeter from the Web
Step 2: On a lightly floured work surface, roll out dough to form a circle about 13 inches/33 centimeters wide and 1 / 8inch/2 millimeters thick.
One big target is the International Space Station, which routinely takes hits from sub-millimeter sized particles and actively dodges larger bits multiple times each year.
Today, that land is still sinking by about a millimeter per year.
The tiny, aphid-like adelgid — oval-shaped, dark gray females are only about 1 millimeter long — is native to Japan, and was inadvertently transported to the U.S. in the 1950s.
The latest X1 editions are super thin, only 16 millimeters, in keeping with laptop design trends from Apple (aapl, -0.29%), Asus, and others.
National Weather Service forecasters estimated the storm had dumped anywhere from 2 to 10 inches (50 to 250 millimeters) of rain on various spots along the Gulf Coast from southern Louisiana to the Florida panhandle as of Wednesday.
Now, researchers at the Massachusetts Institute of Technology (MIT), in Cambridge, Massachusetts, have managed to condense much of that equipment to a microchip just a few millimeters across.
The map suggests that, on average, the Louisiana coast is sinking at a rate of about 9 millimeters, or just over a third of an inch, per year — a faster rate than previous studies have suggested, according to the authors.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'millimeter'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of millimeter
French millimètre, from milli- + mètre meter
First Known Use: 1797See Words from the same year
MILLIMETER Defined for English Language Learners
Definition of millimeter for English Language Learners
: a length equal to 1/1000 meter
MILLIMETER Defined for Kids
Definition of millimeter for Students
: a unit of length equal to 1/1000 meter
Medical Definition of millimeter
: one thousandth of a meter—abbreviation millimeter
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