B

B is the 2nd letter of the English alphabet. Its appearance depends on the writer's calligraphy. It has an uppercase and lowercase versions like most other letters.

The letter B was already part of the Phoenician alphabet more than 3000 years ago in 1000 BC. It's part of many alphabets today.

• In education, B is a passing grade, usually around 80-70 marks.
• In music, B is a note sometimes referred to as “Si” or “Ti”.
• In medicine, B is one of the human blood types.
• In the game of bingo, B is a column.
• On the internet, B (or /b/) is any of a number of image boards that allow anonymous posts.
• In transport, B is the vehicle registration plate of Belgium.
• In chemistry, B is the chemical symbol for boron.
• In the New York Stock Exchange, B is the symbol for the Barnes Group.
• In particle physics, b is the symbol for the bottom quark.

The dictionary definition of b at Wiktionary
Media related to B at Wikimedia Commons

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