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  • b
    b
  • 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.
SEE ALSO:
Slang dictionary results for B.

b

1 American  

abbreviation

  1. Physics.

    1. bar; bars.

    2. barn; barns.


B 2 American  
[bee] / bi /
Or b

noun

  • B's,
    plural
  • Bs,
    plural
  • b's,
    plural
  • bs
    plural
  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: bphysics bel

  11. physics baryon number

  12. balboa

  13. belga

  14. bolivar

  15. photog B-setting

    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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

abbreviation

  1. Belgium (international car registration)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

B. 3 British  

abbreviation

  1. (on maps, etc) bay

  2. British

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

b. 4 British  

abbreviation

  1. born

  2. cricket bowled

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

B- 5 British  

abbreviation

  1. bomber

    B-52

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

b 6 British  

symbol

  1. chess See algebraic notation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Elias 2-24 b, by comparison, orbits about 10 times farther from its star.

From Science Daily Sep. 17, 2026

Discoveries such as Elias 2-24 b can provide crucial real-world tests for those models.

From Science Daily Sep. 17, 2026

The planet, called Elias 2-24 b, was identified using observations preserved in NASA-funded archives.

From Science Daily Sep. 17, 2026

Cherubim and his colleagues developed a theoretical model predicting that the upper atmosphere of LHS 1140 b would contain large amounts of helium slowly escaping into space.

From Science Daily Jul. 21, 2026

That meant Emma needed to try both versions, writing out the complete phrase, and then listing, a, b, c, d, e...etc. above each letter.

From "The Strangers" by Margaret Peterson Haddix

“I was a B student in English, but an A-plus in economics,” he said to a Journal reporter.

From The Wall Street Journal Sep. 18, 2026

“Pick a personal project for A, B and C,” Feiler said.

From MarketWatch Sep. 18, 2026

Or, if it’s my B story, we might go to Moonlight Rollerway.

From Los Angeles Times Sep. 18, 2026

And Asian Americans have extremely elevated rates of certain diseases, including tuberculosis and hepatitis B.

From Slate Sep. 17, 2026

After testing different songs on Mrs. B and Gran, I believed that music could change one’s mood.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas

S&P Global assigned Strategy a B- issuer credit rating with stable outlook in October.

From Barron's Nov. 24, 2025

He hopes the division can improve from Peters’ grade of a B- to a higher level.

From Los Angeles Times Nov. 14, 2025

S&Plowered its rating on the company to B- from B. It said the company’s performance “has weakened due to softness in real estate markets and higher operating costs.”

From The Wall Street Journal Oct. 10, 2025

“Show trial” isn’t too creative, but we’ll give him a B- for the personal touch.

From Slate May 30, 2024

She holds my current grades by two fingers: D, C, B-, D, C-, C, A. No basketball team for me, because the A was in art, so my GPA is a whopping 1.7.

From "Speak" by Laurie Halse Anderson

In 2018, the Moscow Zoo launched a Blakiston’s fish owl breeding program, which currently is made up of two B. b. blakistoni females, one in Moscow and another at the Sakhalin Island Zoo.

From National Geographic Feb. 5, 2021

“I drive Kansas interstates frequently, and I know that they are doing an excellent job, a. keeping the ditches mowed and b., keeping our roads clear and safe,” said Claeys.

From Washington Times Feb. 10, 2019

Consider the two solutions from part b.: λ1 and λ2.

From Textbooks Mar. 30, 2016

Using the interpretations from b. and c. explain why the Holling type I equation may not be realistic.

From Textbooks Mar. 30, 2016

The inscription turned out to be a date: September 3,32 b. c. , in today’s calendar.

From "1491" by Charles C. Mann

His books on New York City planner Robert Moses and President Lyndon B. Johnson function as both biography and challenge, their hefty page counts daring readers to dive in.

From Salon Sep. 18, 2026

Mr. Teixeira is a senior fellow at the American Enterprise Institute and co-author, with John B. Judis, of “Where Have All the Democrats Gone?”

From The Wall Street Journal Sep. 11, 2026

Asked, for instance, if he meows to his cats, Jonathan B. Losos, an evolutionary biologist and author of the book, “The Cat’s Meow: How Cats Evolved From the Savanna to Your Sofa,” wouldn’t deny it.

From Los Angeles Times Sep. 9, 2026

The study was led by Distinguished University Professor of BiologySean B. Carroll and published in the Proceedings of the National Academy of Sciences.

From Science Daily Sep. 8, 2026

But I didn’t get an A. I got a B. Getting a B didn’t feel like the best feeling in the world.

From Absolutely Almost by Lisa Graff

Since her breakout semi-final performance at the Miami Open last year, Eala has re-ignited interest in tennis in the Philippines, a country obsessed with the three B's - basketball, boxing and beauty queens.

From BBC Jul. 25, 2026

To settle the transfer, the U.S. bank subtracts the funds from Bank A's balance and adds them to Bank B's.

From The Wall Street Journal Jun. 26, 2026

Unless it’s Team A, by virtue of selecting first using Team B’s pick the previous season, that is eligible to pick first in consecutive seasons.

From Los Angeles Times May 27, 2026

“I mean, I got some B’s in math in school, so yeah, I’m aware of the math there,” he said, acknowledging the swing nature of his vote.

From Slate Mar. 18, 2026

I wished I could’ve told Calista about my B’s in spelling.

From Absolutely Almost by Lisa Graff

Aiming for a place studying criminology with psychology at the University of the West of England in Bristol, Caitlin Giffard, also from Swansea, needs three Bs.

From BBC Aug. 12, 2026

Summer is a season of Bs: beaches, barbecues, baseball—and blockbusters.

From The Wall Street Journal Jun. 6, 2026

Only eight banks got Bs, while the majority got Cs; 36 got Ds.

From MarketWatch Feb. 27, 2026

The Glacier Range Riders begin the 2024 season with a home game on May 21 against the Oakland Bs, which also play in the Pioneer League.

From Seattle Times Apr. 23, 2024

Joey is the valedictorian, having earned all As and Bs, except for a single C in geometry.

From "At Last She Stood" by Erin Entrada Kelly

"We are confident the same technique will allow us to clarify the nature of LHS 3844 b's crust and, in the future, other rocky exoplanets," concludes Kreidberg.

From Science Daily May 5, 2026

The planet’s initial discovery and its photographic follow-up were only possible because of the decades-spanning Gaia-Hipparcos data, which allowed detection of HIP 99770 b’s long orbit.

From Scientific American Apr. 13, 2023

In addition to the silicate, the James Webb Space Telescope found that VHS 1256 b's atmosphere also has carbon dioxide, carbon monoxide, methane, potassium, sodium and water.

From Salon Sep. 15, 2022

Johansen says AB Aurigae b’s position in one of the disk’s spiral arms could indicate either creation mechanism.

From Science Magazine Apr. 3, 2022

It was because she has trouble saying words sometimes, especially beginnings, like b’s and t’s and k’s.

From Absolutely Almost by Lisa Graff

This won't be the last failure of this nature so long as people are rewarded for pushing this bs.

From Salon Mar. 13, 2023

“SAME tone deaf energy as this bs from the start of the pandemic,” said a different user.

From Los Angeles Times Feb. 24, 2022

Mark Morgioni The concept of tests is also bs.

From Slate Jan. 31, 2020

“Hey Joe, my buddy was offered an eli game used helmet and jersey. Are these the bs ones eli asked you to make up because he didnt want to give up the real stuff?”

From Washington Post Jun. 28, 2017

A little while afterwards the whole peaceful parsonage of Upper Wood lay in deep sleep; only old 'Lizebeth went about the passage calling: "Bs, bs, bs."

From Erick and Sally by Johanna Spyri

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