millimeter

[ mil-uh-mee-ter ]

noun

1. a unit of length equal to one thousandth of a meter and equivalent to 0.03937 inch. : mm

millimeter

/ mĭl′ə-mē′tər /

1. A unit of length in the metric system equal to 0.001 meter.
2. See Table at measurement

Other Words From

• mil·li·met·ric [mil-, uh, -, me, -trik], adjective

Word History and Origins

Origin of millimeter¹

First recorded in 1800–10; from French millimètre; milli-, meter ¹

Example Sentences

You hated having to pose for hours in the same uncomfortable position and to be told to move one millimeter at a time.

From Los Angeles Times

The pictures highlight a critical area within five millimeters of the finish, but humans must decide.

From Los Angeles Times

The observatory was first designed to detect some of the most unexplored wavelengths of light, between a third of a millimeter and one millimeter — much longer than visible light.

From Los Angeles Times

However, the assassination attempt on Saturday that was millimeters away from being successful further cemented this unity.

From Los Angeles Times

This NV center ensemble was placed in the sensor head, designed to approach the target to about one millimeter with a sensing volume of 4 x 10-3 mm3.

From Science Daily