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BASE jump

[beys] /beɪs/
noun
1.
a parachute jump from the tops of tall manmade or natural objects, usually from 1,000 feet (305 meters) or less.
Also, base jump.
Related forms
BASE jumper, noun
BASE jumping, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for base jumping

base jumping

noun
1.
a sport in which a participant parachutes from any of a variety of fixed objects such as high buildings, cliffs, etc
Word Origin
C20: b(uilding), a(ntennae), s(pan, and) e(arthbound object)
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
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Contemporary definitions for base jumping
noun

the extreme sport of parachuting from the tops of very tall manmade or natural objects

Word Origin

BASE is acronym for building, antenna, span, earth

Dictionary.com's 21st Century Lexicon
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Difficulty index for BASE jump

Few English speakers likely know this word

Word Value for base

6
7
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