pm is to after noon i guess * * * * * Correct! The Latin origins for the abbreviations are ante meridiem (before noon) and post meridiem (afetr noon).
M, yes. Not come across MM. Except that Classicist tend to double the abbreviation letter for plural eg p for page and pp for pages.
willam oughtred invented the abbreviations of 'sin' and 'cos'. I'm certain abbreviations existed before this.
Abbreviations are acceptable in an informal situation or when everyone knows what the abbreviations mean. For example, you could talk about NASA in any setting, but you wouldn't say LOL in a business meeting.
AVG (:
Gabriele E. M. Wohlauer has written: 'German chemical abbreviations' -- subject(s): Abbreviations, German, Abbreviations, Chemistry, German Abbreviations
England doesn't have any 'states', therefore there are no abbreviations.
m
The abbreviations cm and m stand for centimeters and meters.
see " What states are in the Midwest "
I believe it is CO.
mönchengladbach
Josep M. Mestres i Serra has written: 'Diccionari d'abbreviacions' -- subject(s): Abbreviations, Acronyms, Associations, institutions, Catalan Abbreviations, Catalan language
· Maine (ME) · Maryland (MD) · Massachusetts (MA) · Michigan (MI) · Minnesota (MN) · Mississippi (MS) · Missouri (MO) · Montana (MT)
The abbreviations M, C and S in a microbiology urine test means microscopy, culture and sensitivity. The test is done to check for a urine infection.
http://www.50states.com/abbreviations.htm
These are abbreviations for units of metric measurement; 'm' stands for 'metres', and 'mm' stands for 'millimetres'.