b

Primary Meanings of b

1.
 n
the 2nd letter of the Roman alphabet
2.
 n
(physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter
Full Definitions of b
1

n the 2nd letter of the Roman alphabet

Synonyms:
B
Type of:
alphabetic character, letter, letter of the alphabet
the conventional characters of the alphabet used to represent speech
2

n (physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter

Synonyms:
barn
Type of:
area unit, square measure
a system of units used to measure areas

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