单词 | circuit breaker |
释义 | circuit breakerSEE SYNONYMS FOR circuit breaker ON THESAURUS.COM nounElectricity.Also called breaker. a device for interrupting an electric circuit to prevent excessive current, as that caused by a short circuit, from damaging the apparatus in the circuit or from causing a fire. any property-tax relief measure that reduces or limits property taxes for certain eligible taxpayers, as those with low income or the elderly. Origin of circuit breakerAn Americanism dating back to 1870–75 Words nearby circuit breakercircs, circuit, circuit analyzer, circuit binding, circuit board, circuit breaker, circuit court, circuit court of appeals, circuit edges, circuit, electrical, circuiter Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for circuit breakerBritish Dictionary definitions for circuit breakercircuit breaker nouna device that under abnormal conditions, such as a short circuit, interrupts the flow of current in an electrical circuitSometimes shortened to: breaker Compare fuse 2 (def. 6) 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 Scientific definitions for circuit breakercircuit breaker A switch that automatically interrupts the flow of electric current if the current exceeds a preset limit, measured in amperes. Circuit breakers are used most often as a safety precaution where excessive current through a circuit could be hazardous. Unlike fuses, they can usually be reset and reused. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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