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superheavy

[soo-per-hev-ee] /ˌsu pərˈhɛv i/
adjective, superheavier, superheaviest.
1.
Chemistry, Physics. pertaining to any of a series of elements having an atomic number greater than 103.
2.
heavier than usual for its kind:
a superheavy oil; superheavy magnetic monopoles.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for superheavy
  • This synthetic element is one of the socalled superheavy atoms.
British Dictionary definitions for superheavy

superheavy

/ˌsuːpəˈhɛvɪ/
adjective
1.
(physics) denoting or relating to elements of high atomic number (above 109) postulated to exist with special stability as a consequence of the shell model of the nucleus
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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