B
1 Americannoun
PLURAL
B's, Bs, b's, bs-
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
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
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012noun
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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
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012symbol
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012Definitions 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.