adjective, su·per·heav·i·er, su·per·heav·i·est.
Chemistry, Physics. pertaining to any of a series of elements having an atomic number greater than 103.
heavier than usual for its kind: a superheavy oil; superheavy magnetic monopoles.
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Examples from the Web for superheavy
Contemporary Examples of superheavy
For New Faces of ‘52, a landmark revue, I did a satire on Death of a Salesman and Elia Kazan’s superheavy direction.Mel Brooks Is Always Funny and Often Wise in This 1975 Playboy Interview
February 16, 2014
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