单词 | selectivity |
释义 | selectivity[ si-lek-tiv-i-tee, see-lek- ] / sɪ lɛkˈtɪv ɪ ti, ˌsi lɛk- / SEE SYNONYMS FOR selectivity ON THESAURUS.COM nounthe state or quality of being selective. Electricity. the property of a circuit, instrument, or the like, by virtue of which it can distinguish oscillations of a particular frequency. Radio. the ability of a receiving set to receive any one of a band of frequencies or waves to the exclusion of others. Origin of selectivityFirst recorded in 1900–05; selective + -ity Words nearby selectivityselective service, Selective Service System, selective stain, selective synchronization, selective transmission, selectivity, selectman, selector, selectorate, selegiline hydrochloride, selen- Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for selectivityBritish Dictionary definitions for selectivityselectivity / (sɪˌlɛkˈtɪvɪtɪ) / nounthe state or quality of being selective 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 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 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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