Showing definitions for b

SEE ALSO

Slang dictionary results for B

Jump to:

• b
  b

  abbreviation
• B
  B

  noun

  the second letter of the English alphabet, a consonant.
• B-
  B-

  (in designations of aircraft) bomber.
• b.
  b.

  abbreviation

  bachelor.
• B.
  B.

  abbreviation

  bachelor.

b

¹ American  

abbreviation

1. Physics.

   1. bar; bars.

   2. barn; barns.

---

B ² American  

[bee] / bi /

Or b

noun

plural

B's, Bs, b's, bs

1. the second letter of the English alphabet, a consonant.

2. any spoken sound represented by the letter B or b, as in bid, bauble, or daubed.

3. something having the shape of a B .

4. a written or printed representation of the letter B or b.

5. a device, as a printer's type, for reproducing the letter B or b.

---

B ³ American  

abbreviation

1. Chess. bishop.

2. Black. Also b

3. Photography. bulb.

---

B ⁴ American  

Symbol.

1. the second in order or in a series.

2. (sometimes lowercase) (in some grading systems) a grade or mark, as in school or college, indicating the quality of a student's work as good or better than average.

3. (sometimes lowercase) (in some school systems) a symbol designating the second semester of a school year.

4. Physiology. a major blood group usually enabling a person whose blood is of this type to donate blood to persons of type B or AB and to receive blood from persons of type O or B.

5. Music.

   1. the seventh tone in the scale of C major or the second tone in the relative minor scale, A minor.

   2. a string, key, or pipe tuned to this tone.

   3. a written or printed note representing this tone.

   4. (in the fixed system of solmization) the seventh tone of the scale of C major, called ti.

   5. the tonality having B as the tonic note.

6. (sometimes lowercase) the medieval Roman numeral for 300.

7. Chemistry. boron.

8. a proportional shoe width size, narrower than C and wider than A.

9. a proportional brassiere cup size, smaller than C and larger than A.

10. Physics. magnetic induction.

11. Electricity. susceptance.

12. a designation for a motion picture made on a low budget and meant as the secondary part of a double feature.

13. a quality rating for a corporate or municipal bond, lower than BB and higher than CCC.

---

B- ⁵ American  

U.S. Military.

1. (in designations of aircraft) bomber.

   B-29.

---

b. ⁶ American  

abbreviation

1. bachelor.

2. bale.

3. Baseball. base; baseman.

4. bass.

5. basso.

6. bay.

7. billion.

8. blend of; blended.

9. book.

10. born.

11. breadth.

12. brother.

13. brotherhood.

---

B. ⁷ American  

abbreviation

1. bachelor.

2. bacillus.

3. Baseball. base; baseman.

4. bass.

5. basso.

6. bay.

7. Bible.

8. bolivar.

9. boliviano.

10. book.

11. born.

12. breadth.

13. British.

14. brother.

15. brotherhood.

---

B ¹ British  

symbol

1. music

   1. a note having a frequency of 493.88 hertz ( B above middle C ) or this value multiplied or divided by any power of 2; the seventh note of the scale of C major

   2. a key, string, or pipe producing this note

   3. the major or minor key having this note as its tonic

2. the supporting or less important of two things

   the B side of a record

3. a human blood type of the ABO group, containing the B antigen

4. (in Britain) a secondary road

5. the number 11 in hexadecimal notation

6. chem boron

7. magnetic flux density

8. chess bishop

9. (on Brit pencils, signifying degree of softness of lead) black Compare H

   B

   2B

   3B

10. Also: b.  physics bel

11. physics baryon number

12. balboa

13. belga

14. bolivar

15. photog B-setting

16. 1. a person whose job is in middle management, or who holds an intermediate administrative or professional position

    2. ( as modifier ) See also occupation groupings

       a B worker

---

abbreviation

1. Belgium (international car registration)

b ² British  

/ biː /

noun

1. the second letter and first consonant of the modern English alphabet

2. a speech sound represented by this letter, usually a voiced bilabial stop, as in bell

3. Also: beta.  the second in a series, esp the second highest grade in an examination

---

B. ³ British  

abbreviation

1. (on maps, etc) bay

2. British

---

b. ⁴ British  

abbreviation

1. born

2. cricket bowled

---

B- ⁵ British  

abbreviation

1. bomber

   B-52

---

b ⁶ British  

symbol

1. chess See algebraic notation

---

Example Sentences

This unexpected feature led to the creation of a new category known as 'Be' stars, combining the "B" for hot, blue-white stars with the "e" for their distinctive emission lines.

From Science Daily • May 1, 2026

Parallel Web Systems raised $100 million in Series B funding to continue building web search for AI agents.

From The Wall Street Journal • Apr. 29, 2026

The Kentucky bourbon maker’s Class B stock slumped 10% to $24.89 in afternoon trading Wednesday.

From Barron's • Apr. 29, 2026

The tribunal found Ali "failed to obtain informed consent" from Patient B through the vitamin C, oxygenated water, sodium bicarbonate and ozone therapy treatments.

From BBC • Apr. 28, 2026

For example, the difference between a C and a B flat part is one whole step.

From "Understanding Basic Music Theory" by Catherine Schmidt-Jones and Russel Jones