1. Not altered by reduction

See also: unaltered, unchanged

• BMI
• BMR
• BMus
• bn
• BNP
• BNS
• Bo Hai
• bo tree
• bo's'n
• boa
• boa constrictor
• Boann
• boar
• boar thistle
• board
• board foot
• board game
• board measure
• board meeting
• board member
• board of appeals
• board of directors
• board of education
• board of regents
• board of selectmen