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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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