Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A unit of length equal to one thousandth (10-3) of a meter, or 0.0394 inch. See Table at measurement.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. US spelling of millimetre.

from the GNU version of the Collaborative International Dictionary of English

  • n. A lineal measure in the metric system, containing the thousandth part of a meter; equal to .03937 of an inch. See 3d meter.

from The Century Dictionary and Cyclopedia

  • n. The thousandth part of a meter, equal to 0.03937 inch, or nearly inch. It is denoted by mm.: as, 25.4 mm. is 1 inch.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a metric unit of length equal to one thousandth of a meter

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