B (EN)

letter, noun, symbol

letter “B”

1. the uppercase form of the letter "b"
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   Before starting the race, make sure your name starts with a "B" if you're in group B.

noun “B”

1. represents the quantity one billion, often used in financial contexts
   The company was thrilled to announce their profits had reached $5B this quarter.
2. an academic grade indicating performance better than C but not as good as A
   She was happy to receive a B on her math test because it was a tough subject for her.
3. indicates a secondary or lesser category of something, often used in entertainment and media
   Despite being a B celebrity, she attracted a large crowd at the book signing.
4. the secondary part of something, especially the back side of a phonograph record
   After listening to the hit song on the A side of the vinyl, she flipped it over to discover an equally catchy tune on the B side.
5. a type of pencil that makes marks of a certain darkness
   For her art project, Sarah specifically chose a B pencil to achieve the perfect shade of grey in her sketches.
6. a symbol for the note B, the seventh note in the C major scale in music
   In the C major scale, the note right before C is a B.
7. a symbol for the chess piece bishop
   In our chess game, I moved my B to capture his rook.
8. in music, short for bass
   In the orchestra, the Bs played a deep and resonant line that underscored the melody.
9. a euphemistic term for the word swearword "bitch"
   When she overheard him call her a "crazy B," her heart sank.

symbol “B”

1. in computing, short for byte
   The photo file is 2MB in size, which means it's 2 million bytes.
2. a type of blood that has a specific antigen
   If you have blood type B, you cannot donate blood to someone with type A because of the different antigens.
3. the symbol for the chemical element boron
   Boron, represented by the symbol B, is essential for plant growth.
4. indicates a specific bra cup size
   She realized her dress fit perfectly except for the chest area, indicating she needed a B cup instead of a C.
5. represents the number eleven in bases higher than ten
   In hexadecimal, the number after 10 is represented as A, and 11 is represented as B.
6. in biochemistry, a symbol for the amino acids aspartic acid or asparagine
   In the protein sequence, the symbol "B" can represent either aspartic acid or asparagine, depending on the context.
7. a symbol for magnetic flux density in physics
   The MRI machine uses a strong B field to produce images of the brain.