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coordinating conjunction

or coordinate conjunction

noun
  1. Grammar. a conjunction that connects two grammatical elements of identical construction, as and in Sue and Andrea or or in He can't decide if he should stay or go.
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Compare subordinating conjunction.

Origin of coordinating conjunction

First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for coordinating conjunction

coordinating conjunction

noun
  1. a conjunction that introduces coordinate clauses, such as and, but, and orCompare subordinating conjunction
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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