Answer:

mms

Answer	Crossword Clue
MMS	Norma Jean et al.
MMS	Millimeters.
MMS	Metric units: Abbr.

MMS	Music degrees
MMS	A foot has 305 of these: Abbr.
MMS	Ruler divs.
MMS	Units marked on a wooden stick: Abbr.
MMS	A foot has 304.8 (Abbr.)
MMS	Phone-text-with-pictures letters
MMS	Ruler divisions: Abbr.