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definitions

AND circuit

[and]
noun Computers.
  1. a circuit that is energized only when all of its inputs are energized.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for and circuit

AND circuit

AND gate

noun
  1. computing a logic circuit having two or more input wires and one output wire that has a high-voltage output signal if and only if all input signals are at a high voltage simultaneously: used extensively as a basic circuit in computersCompare NAND circuit, NOR circuit, OR circuit

Word Origin for AND circuit

C20: so named because the action performed on electrical signals is similar to the operation of the conjunction and in logical constructions
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