Look up ZZ in Wiktionary, the free dictionary.
ZZ or zz may refer to:
Music
People
- Z. Z. Hill (1935–1984), an American blues singer
- ZZ Packer (born 1973), an American writer
- ZZ Ward, Zsuzsanna Eva Ward (born 1986), an American musician
Science and mathematics
Astronomy
- ZZ Boötis, a star system in the constellation Boötes
- ZZ diboson, a pair of Z bosons
- ZZ Ceti, a type of pulsating white dwarf star
- G 29-38 or ZZ Piscium, a variable white dwarf star
Other uses in science and mathematics
- ZZ zinc finger, a type of protein domain
- , the Zahlen symbol, representing the set of integers
- Zamioculcas or ZZ plant, a genus of flowering plant in the family Araceae
- ZZ, homogametic males under the ZW sex-determination system
- ZZ, homogametic males under the ZO sex-determination system
Transportation
- Isuzu Gemini ZZ/R, a subcompact car
- Tommykaira ZZ, a mid-engined sports car
- Toyota ZZ engine, a straight-4 piston engine series
- Kawasaki ZZ-R1200, a motorcycle
Other uses
- ZZ Leiden, a basketball club based in Leiden, Netherlands
- ZZ scale, a 1:300 model railroad scale
- Živi zid ("Human Shield"), a political party in Croatia
- Zhongzhi Capital or ZZ Capital, an asset management company
- ZZ method, in speedcubing
- ZZ, the production code for the 1969 Doctor Who serial The War Games
See also
- Sleep (disambiguation)
- Z (disambiguation)
- Zzz (disambiguation)
- Zzzz (disambiguation)
- ZZR (disambiguation)
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