- 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
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