B ¹

Definition: is the second letter of the English alphabet. (See Guide to Pronunciation, 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 Greek B (Beta), of Semitic origin. The small b was formed by gradual change from the capital B.

B ²

Definition: aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil

B ³

Definition: the 2nd letter of the Roman alphabet

B ⁴

Definition: the blood group whose red cells carry the B antigen

b ⁵

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

B ⁶

Definition: a logarithmic unit of sound intensity equal to decibels

B ⁷

Definition: a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder

B ⁸

Definition: originally thought to be a single vitamin but now separated into several B vitamins