X
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X is the 24th letter of the Latin alphabet. It may also be used to represent:
- The social media platform, formerly known as Twitter (renamed on July 23, 2023)
- Roman numeral for 10.
- a variable for an unknown value in mathematics.
- a multiplication sign.
- the X band, part of the microwave band of the Electromagnetic Spectrum.
- an X chromosome, one of the two sex-determining chromosomes.