B-

U.S. Mil.

(in designations of aircraft) bomber: B-29.

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B- (aeronautics)

prefix

Used to designate a bomber plane

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B ¹ or b «bee», noun, plural B's or Bs, b's or bs.

1. the second letter of the English alphabet. There are two b's in baby.

2. any sound represented by this letter.

3. when used as a symbol: a) the second (of an actual or possible series): »

a reservation for bedroom B, a member of Company B in an infantry battalion.

b) the second best (of its kind or class): »

a B movie, grade B canned fruit.

c) a known quantity (used especially in algebraic equations, along with a, c, etc.; x, y, and z most commonly represent unknown quantities).

4. the second highest grade (in schools and colleges): »

to get a B in English.

5. Music. a) the seventh tone in the scale of C major. b) a symbol representing this tone. c) a key, string, etc., that produces this tone. d) the scale or key which has B as its keynote: »

a sonata in B.

B² «bee», noun, plural B's.

anything shaped like the letter B.

b.,

an abbreviation for the following:

1. Baseball. a) base. b) baseman.

2. Music. bass.

3. born.

4. Sports. bowled.

5. breadth.

6. brother (of).

7. Sports. bye.

B (no period),

1. bishop, in chess.

2. boron (chemical element).

3. one of the four main groups used to determine blood compatibility in transfusions. A person with B type blood can receive blood of either the B or O group.

B.,

an abbreviation for the following:

1. bacillus.

2. Baseball. a) base. b) baseman.

3. Music. bass.

4. battery.

5. Bay.

6. Bible.

7. book.

8. British.

9. a) brother. b) brotherhood.

B-,

U.S. Air Force. bomber: »

B-17, B-29.