1) Auntieofdorothy 1) Auntie 2) Mut 3) Pica 
• (n.) The portion of a line formerly occupied by the letter m, then a square type, used as a unit by which to measure the amount of printed matter on a page; the square of the body of a type.
abbreviation: emission (electromagnetic/electronic)
Ethnic Minority
Electron microscopy. Or electron microscopy. Viral particles may be detectable by EM. ... (12 Dec 1998) ... 
emmetropia.
A unit of type measurement, based on the 'M' character.
Electro Magnetic (Security tagging system)
Electromagnetic. ElectromagneticElectronic Mail + Emphasized + End of Medium + Expanded Memory
electromagnetic
Em noun (Print.) The portion of a line formerly occupied by the letter m , then a square type, used as a unit by which to measure the amount of printed matter on a page; the square of the body of a type. Em An obsolete or colloquial contraction of the old form hem , them. Addison. 
Electromagnetic
Enlisted Marine/Man, very inappropriate to use today.
electromagnetic
EM Electromagnetic.
Energy Management
Engine Modification
acronym: electromagnetic
mut noun the square of a body of any size of type
Electron microscopy
A unit of measurement equaling 12 points or 4.5mm.