selectivity

 [si-lek-tiv-i-tee, see-lek-]  

se·lec·tiv·i·ty

   [si-lek-tiv-i-tee, see-lek-]
noun
1.
the state or quality of being selective.
2.
Electricity. the property of a circuit, instrument, or the like, by virtue of which it can distinguish oscillations of a particular frequency.
3.
Radio. the ability of a receiving set to receive any one of a band of frequencies or waves to the exclusion of others.
Origin:
1900–05; selective + -ity
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Selectivity has a plethora of syllables.
So is cyclotrimethylenetrinitramine. Does it mean:
given to using long words.
a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells.
LEARN MORE LONG WORDS WITH WORD DYNAMO...
Collins
World English Dictionary
selectivity (sɪˌlɛkˈtɪvɪtɪ)
 
—n
1.  the state or quality of being selective
2.  the degree to which a radio receiver or other circuit can respond to and separate the frequency of a desired signal from other frequencies by tuning
3.  the principle that welfare services should go only to those whose need is greatest, as revealed by needs tests, means tests, etc

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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