Answer: mms

AnswerCrossword Clue
MMSNorma Jean et al.
MMSMillimeters.
MMSMetric units: Abbr.
MMSMusic degrees
MMSA foot has 305 of these: Abbr.
MMSRuler divs.
MMSUnits marked on a wooden stick: Abbr.
MMSA foot has 304.8 (Abbr.)
MMSPhone-text-with-pictures letters
MMSRuler divisions: Abbr.