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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:

Astronomers estimate that the atmosphere of LHS 1140 b has survived for more than three billion years.

From Science Daily Jul. 21, 2026

LHS 1140 b, however, produced a clear signal of helium escaping from the planet, providing evidence that it still retains an atmosphere.

From Science Daily Jul. 21, 2026

The planet, called LHS 1140 b, is 48 light-years from Earth orbiting a red star much smaller and cooler than our Sun.

From BBC Jul. 17, 2026

TOI-791 b has a density of just 0.038 grams per cubic centimeter, while TOI-791 c measures 0.047 grams per cubic centimeter.

From Science Daily Jun. 27, 2026

Then a shirt with a high collar attached b> another button.

From "A Long Way from Chicago" by Richard Peck

If both spouses are enrolled in Medicare Part B, they each pay $202.90 a month in 2026, while couples with high incomes can pay more.

From MarketWatch Aug. 4, 2026

Rethinking how Measure B funds are allocated, Batchlor said, is a way of helping to ensure that hospitals that serve communities with the most financial needs and fewest healthcare options receive more financial assistance.

From Los Angeles Times Aug. 3, 2026

All seniors who don’t also qualify for Medicaid have to pay a monthly Medicare Part B premium, starting at $202.90 a month and tied to income.

From The Wall Street Journal Aug. 2, 2026

"Even the B teams in the MLS didn't want me," he later said.

From BBC Jul. 29, 2026

I thought about that day when I’d heard Mrs. B over the baby monitor and she’d called me a “mad scientist.”

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

Giving an A for effort but B- for execution, the Hollywood Reporter's Angie Han said, external Elle is "cute enough" but doesn't make sense.

From BBC Jun. 30, 2026

Fitch said Tuesday it upgraded the country’s Long-Term Foreign Currency and Local Currency Issuer Default Rating to B- from CCC+, with a stable ratings outlook.

From The Wall Street Journal May 5, 2026

S&P Global assigned Strategy a B- issuer credit rating with stable outlook in October, five notches below the lowest rung of investment grade.

From Barron's Feb. 2, 2026

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

From Los Angeles Times Nov. 14, 2025

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

Use b. to determine how fast costs are increasing when t = 2 weeks.

From Textbooks Mar. 30, 2016

You may notice that the graphs in parts a. and b. are identical.

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

Head Start was created as part of President Lyndon B. Johnson’s War on Poverty and targets the myriad challenges that low-income households face.

From Los Angeles Times Aug. 3, 2026

Police issued a wanted notice for the 21-year-old suspect, identified under German privacy rules as Abdul B., warning the public not to approach him because he may be armed and dangerous.

From Salon Jul. 26, 2026

Nearby in central London, sports coach Jamie B. was reading a newspaper splashed with headlines about Burnham's new role.

From Barron's Jul. 20, 2026

The company had recently cut 1,400 jobs, and Lego Group Chief Executive Niels B. Christiansen said he had one aim: “to stabilize the business.”

From The Wall Street Journal Jul. 18, 2026

I had a plan B. Win back respect and trust.

From "Liar, Liar" by Gary Paulsen

Vergara's framed picture of her dog was hidden inside her seat cushion, while Mel B's bracelet was concealed in one of the famous Got Talent red buzzers.

From BBC Jul. 21, 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

“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

Does this mean Fund A’s management is more skilled than Fund B’s management?

From MarketWatch Mar. 12, 2026

I got one D, a C- in algebra and all the rest B’s, except for two B+’s and two B-’s.

From "The Diary of a Young Girl" by Anne Frank

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

"There are Plan Bs and Plan Cs," President Macron said, adding, "We are preparing them in parallel, we will analyse this in real time."

From BBC Apr. 15, 2024

Her grades are all the way down to Bs because of the time she has to spend waiting on her Senior Marthas.

From "Speak" by Laurie Halse Anderson

"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

Yet Barnard b's mere existence hints at the presence of other exoplanets in that solar system, some of which may be more hospitable to life.

From Salon Oct. 4, 2024

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

Kepler 1625 b’s moon, by contrast, would be about 10 times as massive as all the terrestrial planets and the hundreds of moons in our solar system combined.

From Scientific American Oct. 3, 2018

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," he said.

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

Plaskett took note of all this attention and even retweeted a message that said “@StaceyPlaskett is all of us right now listening to the bs in #CohenHearing.”

From Slate Feb. 27, 2019

“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

I is the embryonic condition. bs, Blood sinus.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" by Various

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