bm -abbr
- beam
BM -abbr
- bachelor of medicine
- bachelor of music
- basal metabolism
- bill of material
- board measure
- bowel movement
- bronze medal
BME -abbr
- bachelor of mechanical engineering
- bachelor of mining engineering
- bachelor of music education
BMI -abbr
- body mass index
BMOC -abbr
- big man on campus
BMR -abbr
- basal metabolic rate
BMS -abbr
- bachelor of marine science
BMT -abbr
- bachelor of medical technology
BMX [,bē-(,)em-'eks] -n
- bicycle racing that resembles motocross with dirt tracks and jumps and the use of special heavy-duty bicycles