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6 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 b /ˈbi/
 字母B

From: Taiwan MOE computer dictionary

 B
 若A 則反B

From: Taiwan MOE computer dictionary

 B
 若A 則反B

From: Taiwan MOE computer dictionary

 B
 B暫存器(同register,base)

From: Webster's Revised Unabridged Dictionary (1913)

 B is the second letter of the English alphabet. (See Guide to Pronunciation, §§ 196, 220.) It is etymologically related to p, v, f, w, and m, letters representing sounds having a close organic affinity to its own sound; as in Eng. bursar and purser; Eng. bear and Lat. ferre; Eng. silver and Ger. silber; Lat. cubitum and It. gomito; Eng. seven, Anglo-Saxon seofon, Ger. sieben, Lat. septem, Gr."epta`, Sanskrit saptan.  The form of letter B is Roman, from the Greek B (Beta), of Semitic origin. The small b was formed by gradual change from the capital B.
 Note: In Music, B is the nominal of the seventh tone in the model major scale (the scale of C major), or of the second tone in it's relative minor scale (that of A minor).  Bstands for B flat, the tone a half step, or semitone, lower than B.  In German, B stands for our B♭, while our B natural is called H (pronounced hä).
 

From: WordNet (r) 2.0

 B
      n 1: the blood group whose red cells carry the B antigen [syn: type
           B, group B]
      2: aerobic rod-shaped spore-producing bacterium; often
         occurring in chainlike formations; found primarily in soil
         [syn: Bacillus, Bacilli]
      3: originally thought to be a single vitamin but now separated
         into several B vitamins [syn: B-complex vitamin, B
         complex, vitamin B complex, vitamin B, B vitamin]
      4: a trivalent metalloid element; occurs both in a hard black
         crystal and in the form of a yellow or brown powder [syn:
         boron, atomic number 5]
      5: a logarithmic unit of sound intensity equal to 10 decibels
         [syn: bel]
      6: (physics) a unit of nuclear cross section; the effective
         circular area that one particle presents to another as a
         target for an encounter [syn: barn]
      7: the 2nd letter of the Roman alphabet