Peak 2652725 225598407 2008-07-14T14:12:33Z Mangostar 4177882 Ya Tung {{wiktionarypar|peak}} A '''Peak''' may refer to: *A [[summit (topography)|mountain peak]] **More specifically, a [[pyramidal peak]], a mountaintop that has been sculpted by erosion to form a point *The highest, or sometimes the highest and lowest (see [[peak-to-peak]]), points on a varying [[waveform]] ** [[Energy demand management|Peak electricity usage times]] (peak demand) *The British English term for the part of a hat known as the [[visor]] in American English *[[Peak (mathematics)]], an (''n''-3)-dimensional element of a polytope *[[Hubbert peak theory]] or [[peak oil]], a theory that oil production worldwide is expected to reach a maximum level after which it will decline *[[PEAKS(software)]] performs de novo peptide sequencing and protein identification on mass spectrometry data *[[BIAS Peak]] – a professional audio editing program on the Apple platform *''[[Peak Practice]]'', a British television drama series *The [[Parts of a sail#Non-triangular fore and aft sails|highest corner]] of a four-sided, fore-aft sail * [[Peak experiences]] * [[Peak to Peak Charter School]] *A nicknamed used to refer to [[British Rail Class 44|British class 44 diesel locomotives]], and also classes [[British Rail Class 45|45]] and [[British Rail Class 46|46]], since Class 44s were named after British hills and mountains, but the name also stuck for the outwardly near identical Class 45s and 46s, even though these carried different names. *[[Stephen Peak]], Australian lawyer and radio personality *[[Peak Records]], a record label Proper geographical names include: *[[Peak District]] in the north of England *[[Pikes Peak]] in Colorado, United States *[[Victoria Peak]] in Hong Kong *Peak, a village in [[Ya Tung]], Cambodia ==See also== *[[Peak hour]] *[[Peek]] {{Disambig}} [[bg:Връх]] [[de:Spitze]] [[ja:ピーク]] [[ro:Vârf]] [[sl:Vrh]] [[zh:山頂]]