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K2

[key-too]
noun
  1. Also called God·win Aus·ten [god-win aw-stin] /ˈgɒd wɪn ˈɔ stɪn/, Dap·sang [duh p-suhng] /dəpˈsʌŋ/. a mountain in N Kashmir, in the Karakoram range: second highest peak in the world. 28,250 feet (8611 meters).
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Trademark.
  1. the proprietary name of a brand of synthetic cannabis compound.
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Origin of K2

1856 for def 1, so named by Thomas Montgomerie (1830–78), English surveyor, for the mountain's being the second highest in the Karakoram range; 2010for def 2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for k2

K2

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