What does mm stand for in specifying the diameter of a volcanic ash particle?

Oct 18, 2010 ... I then found separate Medal Cards at Kew for MM's and other higher awards, I showed them to the helper who didn't know they hadn't been scanned ... Shop the latest mirrorless & DSLR cameras and NIKKOR lenses from the official Nikon eCommerce site. Explore our innovations and photo equipment! A measure of length in the metric system. A millimeter is one thousandth of a meter. There are 25 millimeters in an inch. What does the abbreviation MM stand for? Meaning: measures. (Gender Fair is the first consumer rating system for gender equality, which reports on how companies serve women as leaders, employees, customers and citizens). Standard Meteorological Data for Drifting Buoys. #YY MM DD hhmm LAT LON WDIR WSPD GST PRES PTDY ATMP WTMP DEWP WVHT DPD #yr mo dy hrmn deg deg degT m/s m ... Aug 12, 2023 ... What Does MM Mean in Camera Lenses? MM on a camera lens stands for millimeters (metric system). Millimeters determine the focal length that ... In the context of store descriptions for bracelets and necklaces, the mention of "mm" typically refers to the thickness or diameter of the jewelry ... Jul 4, 2020 ... In terms of finance, MM typically stands for Millions. $100 MM mean $ 100 Million. Here is an interesting fact. Lowercase "mm" does mean ... As we dig in, one consistent thing you'll notice is the prefix “mil” which means thousand or thousandth. M. Let's start with just plain M. In this context, ...