Look up peak in Wiktionary, the free dictionary.

A Peak may refer to:

Arts and Fashion

• The British English term for the part of a hat known as the visor in American English
• Peak Practice, a British television drama series
• Peak Performance, a sports clothing brand from Sweden.

Computing

• PEAKS (software) - a proteomic mass spectrometry software, used to identify and quantitate proteins/peptides.
• BIAS Peak – a professional audio editing program on the Apple platform

Geography and geology

• A mountain peak
• Hubbert peak theory or peak oil, a theory that oil production worldwide is expected to reach a maximum level after which it will decline
  • More specifically, a pyramidal peak, a mountaintop that has been sculpted by erosion to form a point

Mathematics and Physics

• The highest, or sometimes the highest and lowest (see peak-to-peak), points on a varying waveform
• Peak electricity usage times (peak demand)
• Peak (mathematics), an (n-3)-dimensional element of a polytope

Psychology

• Peak experiences

Transportation

• The highest corner of a four-sided, fore-aft sail
• A nicknamed used to refer to the British Rail Class 44 diesel locomotives, and also classes 45 and 46

As a proper noun

• Peak, Chinese sports apparel manufacturer
• Peak Records, a record label
• Peak to Peak Charter School

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

[edit] See also

• The Peak
• Peak hour
• Peek

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