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K2

American  
[kay-too] / ˈkeɪˈtu /

noun

  1. Also called Dapsang, Godwin Austen. a mountain in N Kashmir: highest peak in the Karakoram range and second highest in the world. 28,250 feet (8,611 meters).


Trademark.
  1. a brand name for a synthetic cannabis compound.

K2 British  

noun

  1. Also called: Godwin-Austen, Dapsang. a mountain in the Karakoram Range on the Kashmir-Xinjiang border: the second highest mountain in the world. Height: 8611 m (28 250 ft)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of K2

First recorded in 1855-60 K2 for def. 1; 2010 K2 for def. 2; K(arakoram) ( def. 1 ) + 2 (because it was the second peak in the range to be measured)


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

At the time, K2, the world's second highest peak, was the only one of the eight-thousanders not yet climbed in winter.

From BBC ● Aug. 4, 2026

In 2021, Purja completed the first winter ascent of K2 along with a team of nine other Nepalese climbers.

From Barron's ● Jul. 31, 2026

The plane was operated by K2 Airways, a private cargo airline based in Karachi.

From BBC ● Jul. 8, 2026

Startup K2 Space, which is building powerful satellites that can weigh roughly 2 tons, has built fundraising momentum by showing traction among commercial and government customers, said CEO Karan Kunjur.

From The Wall Street Journal ● Jun. 15, 2026

This setback had not put a damper on his Himalayan career, however: he’d gone on to climb K2, Lhotse, Cho Oyu, Ama Dablam, and, in 1993, Everest without supplementary oxygen.

From "Into Thin Air" by Jon Krakauer

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