b 31
1st_ Second letter of the Latin alphabet, called "be". 2nd_ 'B' is the symbol of the belio sound pressure unit. 3rd_ 'B' is the chemical symbol of boron. 4th_ 'B' is the musical note if in English notation. 5th_ 'B' is a group of vitamins. 6th_ 'B' physically represents a magnetic field. 7th_ 'B' is the byte as a computer storage unit. 8o_ 'b' is the bit as a binary information unit. See also plan b, side b.
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