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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:

LHS 1140 b circles a red dwarf star within its habitable zone.

From Science Daily Jul. 21, 2026

The study, published July 16 in Science, describes observations of helium escaping from LHS 1140 b, a rocky exoplanet located about 48 light-years from Earth.

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

The spectrum also indicates that GJ 504 b may contain an unusually large amount of heavy elements, often referred to by astronomers as metals.

From Science Daily Jun. 28, 2026

Maybe reading to Mrs. Cobb—that might b e worse.

From "Lizzie Bright and the Buckminster Boy" by Gary D. Schmidt

Musk’s voting control also includes 1.3 billion unvested and votable restricted Class B SpaceX shares.

From The Wall Street Journal Aug. 11, 2026

One prominent supporter of Measure B told The Times in May that he expected the county to be sued if voters approved it.

From Los Angeles Times Aug. 11, 2026

Musk’s ownership and voting power includes vested options on 350 million SpaceX Class B shares and 286 million unvested and votable restricted Tesla shares received on exercising vested options.

From The Wall Street Journal Aug. 11, 2026

The immunisations recommended for all children under the order are for measles, mumps, rubella, diphtheria, tetanus, pertussis, polio, Haemophilus influenzae type B, pneumococcal disease, human papillomavirus, and varicella or chicken pox.

From BBC Aug. 10, 2026

“Are you hungry, Ida B? Do you want something to eat?”

From "Ida B" by Katherine Hannigan

The B- rating is constrained by a number of factors, including Argentina’s international liquidity position, as well as high inflation and a record of macroeconomic instability, Fitch said.

From The Wall Street Journal May 5, 2026

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

Those who attended the film were apparently disappointed in the lack of action scenes, with audiences giving a lukewarm "B-" grade in exit polls, Variety said.

From BBC Oct. 7, 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

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

From Textbooks Mar. 30, 2016

As in part b., this function cannot be written using a formula involving basic algebraic operations only; therefore, this function is transcendental.

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

Medicaid was established, along with Medicare for older adults, in 1965 as part of President Lyndon B. Johnson’s “Great Society” reforms.

From Salon Aug. 5, 2026

The idea behind this new paid service is "getting the fastest investors and algorithms a split-second advantage," Art Hogan, an analyst with B. Riley Wealth Management, told AFP.

From Barron's Aug. 4, 2026

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

B. Riley analyst Mike Crawford summed up the political-military scene in a note to clients on Thursday by referring to “an emerging generational recapitalization of global defense posture and budgets.”

From MarketWatch Jul. 23, 2026

In his left back pocket, he carries a Susan B. Anthony silver dollar.

From "The Million Dollar Shot" by Dan Gutman

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

B’s on a report card are not allowed in his family.

From Los Angeles Times Apr. 29, 2026

Outfits worn by the Spice Girls, including Mel B's leopard-print catsuit, are on display as part of a "Cool Britannia" exhibition in London.

From BBC Apr. 16, 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

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

"It's helped me progress my education a lot because in my old school, I was predicted Fs and stuff - now I'm predicted Cs and Bs."

From BBC Aug. 10, 2023

I wound up with As and Bs in English, science, social studies, and Spanish, and a big, fat D in math.

From "Drums, Girls, and Dangerous Pie" by Jordan Sonnenblick

"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

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

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

But he has also been dismissive, as he was as recently as Dec. 20, when he tweeted, “Bitcoin is almost as bs as fiat money.”

From Los Angeles Times Feb. 10, 2021

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 is the condition of in-sinking of the sternal surface and consequent enclosure of the lamelligerous surface of the appendage in a chamber with narrow orifice—the pulmonary air-holding chamber. pl, Pulmonary lamellae. bs, Blood sinus.

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

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