- Mm is defined as millimeter.
An example of mm is how someone would shorten the phrase "100 millimeters;" 100 mm.
- Mm is defined as a way to say yes or maybe to a question.
An example of mm is saying you don't know if you'll be going to an event.
mm definition by Webster's New World
- a noncommittal response
- an affirmative response
- the speaker's hesitation before replying to a question or remark
mm definition by American Heritage Dictionary
mm - Computer Definition
One one-thousandth (10 -3 , or 1 / 1,000 ) of a meter.Your little fingernail is about 1 mm thick and it grows at a rate of about 1 nm (nanometer) per second. If a nanometer were scaled up to the width of your little fingernail, your fingernail would be about the size of Delaware. See also meter.
mm - Investment & Finance Definition
An abbreviation for million that typically is used in the financial markets. 5MM means 5 million.Webster's New World Finance and Investment Dictionary Copyright © 2010 by Wiley Publishing, Inc., Indianapolis, Indiana. Used by arrangement with John Wiley & Sons, Inc.