b
1 Americanabbreviation
noun
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B's,
plural
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Bs,
plural
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b's,
plural
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bs
plural
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the second letter of the English alphabet, a consonant.
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any spoken sound represented by the letter B or b, as in bid, bauble, or daubed.
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something having the shape of a B .
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a written or printed representation of the letter B or b.
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a device, as a printer's type, for reproducing the letter B or b.
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the second in order or in a series.
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(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.
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(sometimes lowercase) (in some school systems) a symbol designating the second semester of a school year.
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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.
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Music.
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the seventh tone in the scale of C major or the second tone in the relative minor scale, A minor.
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a string, key, or pipe tuned to this tone.
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a written or printed note representing this tone.
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(in the fixed system of solmization) the seventh tone of the scale of C major, called ti.
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the tonality having B as the tonic note.
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(sometimes lowercase) the medieval Roman numeral for 300.
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Chemistry. boron.
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a proportional shoe width size, narrower than C and wider than A.
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a proportional brassiere cup size, smaller than C and larger than A.
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Physics. magnetic induction.
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Electricity. susceptance.
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a designation for a motion picture made on a low budget and meant as the secondary part of a double feature.
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a quality rating for a corporate or municipal bond, lower than BB and higher than CCC.
abbreviation
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bachelor.
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bale.
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Baseball. base; baseman.
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bass.
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basso.
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bay.
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billion.
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blend of; blended.
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book.
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born.
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breadth.
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brother.
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brotherhood.
abbreviation
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bachelor.
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bacillus.
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Baseball. base; baseman.
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bass.
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basso.
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bay.
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Bible.
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bolivar.
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boliviano.
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book.
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born.
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breadth.
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British.
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brother.
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brotherhood.
symbol
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music
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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
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a key, string, or pipe producing this note
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the major or minor key having this note as its tonic
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the supporting or less important of two things
the B side of a record
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a human blood type of the ABO group, containing the B antigen
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(in Britain) a secondary road
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the number 11 in hexadecimal notation
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chem boron
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magnetic flux density
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chess bishop
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(on Brit pencils, signifying degree of softness of lead) black Compare H
B
2B
3B
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Also: b. physics bel
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physics baryon number
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balboa
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belga
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bolivar
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photog B-setting
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a person whose job is in middle management, or who holds an intermediate administrative or professional position
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( as modifier ) See also occupation groupings
a B worker
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abbreviation
noun
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the second letter and first consonant of the modern English alphabet
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a speech sound represented by this letter, usually a voiced bilabial stop, as in bell
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Also: beta. the second in a series, esp the second highest grade in an examination
abbreviation
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(on maps, etc) bay
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British
abbreviation
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born
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cricket bowled
abbreviation
symbol
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:
The nearby young star Beta Pictoris was already known to have two massive planets, Beta Pictoris b and Beta Pictoris c.
From Science Daily ● Jul. 23, 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
With a mass roughly 25 times that of Jupiter, GJ 504 b lies near the boundary between giant planets and brown dwarfs.
From Science Daily ● Jun. 28, 2026
And even though I never opened my mouth, I say, Thanks, becauseMissing I am not a mathematician— a + b seldom equals c.
From "The Crossover" by Kwame Alexander
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Louth, 20 years old, said he earned all A’s and one B in his first semester and doubted he would have worked as hard had the classes been pass/fail.
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 voting control also includes 1.3 billion unvested and votable restricted Class B SpaceX shares.
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
The spark planted in my chest by Mrs. B and Mrs. Smith flared.
From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas
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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
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
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
Miranda couldn’t afford a replacement, and his social studies teacher, unimpressed with the script he submitted, awarded him a B-.
From Los Angeles Times ● Sep. 8, 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
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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
Find the equation of the intersection curve of the surface at b. with the cone φ = π .
From Textbooks ● Mar. 30, 2016
Use b. to determine how fast costs are increasing when t = 2 weeks.
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
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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
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
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
The decision shelves, possibly for months, a process UC said would be a careful, evidence-driven review that was praised by UC President James B. Milliken as “comprehensive.”
From Los Angeles Times ● Jul. 13, 2026
There, Dr. J. D. B. Stillman, a local surgeon, removes the skull.
From "Phineas Gage" by John Fleischman
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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
The song was called Killer B's, inspired by stories of deadly insects invading the US from Brazil.
From BBC ● Mar. 17, 2026
Does this mean Fund A’s management is more skilled than Fund B’s management?
From MarketWatch ● Mar. 12, 2026
In “Soy infeliz,” Lola B’s deep, strong voice sang of love that wasn’t reciprocated.
From "The First Rule of Punk" by Celia C. Pérez
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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
"And by now, they would have found them. There would be plan Bs and plan Cs, to make sure that we have reduced this exposure to the US."
From BBC ● Jun. 10, 2025
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 took him a minute to figure out that everything was arranged in alphabetical order, by the owners’ names, and a few minutes to find the Bs.
From "I Survived the Sinking of the Titanic, 1912" by Lauren Tarshis
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"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
The same process eliminates b = 15 and, one by one, all of the b’s greater than 12.
From Scientific American ● Apr. 28, 2021
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
“You are smart enough to think through some bs propaganda,” Brian wrote to A.J. on Facebook.
From New York Times ● Nov. 19, 2023
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
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
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
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
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.