Z (disambiguation)

Z is the twenty-sixth and last letter of the Latin alphabet. It can also refer to the following. In science:

• z, the redshift, the relative change in wavelength
• Z boson, one of the carriers of the weak force
• Z, atomic number, the number of protons in the nucleus of an atom
• Z, electrical impedance
• Z, the amino acids glutamate or glutamine
• In genetics:
  • ZW sex-determination system, also called the Z chromosome
  • Haplogroup Z (mtDNA), a human mitochondrial DNA haplogroup
• z, zepto, an SI prefix meaning 10^-21
• Z, zetta, an SI prefix meaning 10²¹
• Z machine, the world's largest X-ray
• Z, the compressibility factor used to apply the ideal gas law to non-ideal gases

In mathematics:

• <math>\mathbb{Z}</math>, the set of all integers
• z, the third variable, after x and y
• z, a complex number
• Z, the name of a system with Zermelo's first five axioms plus foundation
• Z, the standard normal random variable with mean 0 and standard deviation 1
• Z-score, a statistical measure used to compare the results of different normal distributions

In computing:

• Z notation, a formal specification language used for computing systems
• Z, a programmer's editor, a precursor to emacs
• z-buffering, the management of depth for 3-d graphics

In the arts:

• Z (novel), a novel by Vassilis Vassilikos
  • Z (film), a film by Costa-Gavras based on the novel
• Z, a nickname of Chinese actress Ziyi Zhang
• Z (pronounced "zee"), the main character in the film Antz
• Z, the lead character in the movie Zardoz
• Z, the nickname of Zefram Cochrane in Star Trek: First Contact
• Z, the Yellow Ranger in the TV series Power Rangers SPD
• Z (Tenchi Muyo!)
• Coach Z, a character in the Internet cartoon Homestar Runner
• Z (album), by My Morning Jacket
• Z, a rock group with Dweezil Zappa and his brother Ahmet Zappa
• Z, the main character in the Dragon Ball Z parody manga Neko Majin
• Z Gundam

In video games:

• Z (computer game), by the Bitmap Brothers
• Z-machine, a virtual machine produced by Infocom for interactive fiction
• Z, Naoki Maeda's pseudonym for the Dance Dance Revolution song "MAXX UNLIMITED"

In sports:

• Henrik Zetterberg, nicknamed Z, an ice hockey player
• Žydrūnas Ilgauskas, nickednamed Z, a Lithuanian basketball player

Other uses:

• The barred z (ƶ), used, e.g., to avoid confusion with the numeral 2
• Z, the Coordinated Universal Time time zone
• Z, the zero-meridian time zone UTC or GMT
• Z, a pseudonym of the Zodiac Killer
• Z Communications, a journalism-intensive media group in the USA
• Z (from the abbreviation oz.), an ounce of an illegal substance
• Nissan Z, a sports car
• The Lost City of Z, the name given to a legendary city in the Matto Grosso region of Brazil

See also

• Zed
• Zee
• ZZZ