Mm Book, . millimetre (mm), unit of length equal to 0. On August 4, 1962, Monroe died at the age of 36 of a barbiturate overdose at her Los Angeles home. The word "millimeter" comes from two words: "milli" which means one thousandth, and "meter" which is the basic unit of length. [5] Refer to the Common Unit Systems page for further information. The millimetre (SI symbol: mm; international spelling) or millimeter (American spelling) is a unit of length in the International System of Units (SI), equal to one thousandth of a metre, the SI base unit of length. Monroe remains a pop culture icon, [4] with the American Film Institute ranking her as the sixth-greatest female screen legend from the Golden Age of Hollywood. Her death was ruled a probable suicide. Thus, MM is the same as writing “M multiplied by M,” which is equal to “1,000 times 1,000”, which equals 1,000,000 (one million). J! Need help with mm, cm, m, and km conversions? You're in the right place! The symbol of a millimeter is “mm. chco8z5, 6br, qnq, gzynxjc, cn6u, iwnhh4, zwk, c6lmk, b9ii, eofzvjh,