AND circuit

UK: /ænd/ US: (and)

WordReference Random House Unabridged Dictionary of American English © 2026

AND′ cir′cuit  (and), [Computers.]

1. Computing a circuit that is energized only when all of its inputs are energized.

Collins Concise English Dictionary © HarperCollins Publishers::

AND circuit, AND gate / ænd/ noun

1. 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 computers
   Compare NAND circuit, NOR circuit, OR circuit

Etymology: 20th Century: so named because the action performed on electrical signals is similar to the operation of the conjunction and in logical constructions