cir·​cuit·​ry | \ˈsər-kə-trē \
plural circuitries

Definition of circuitry 

1 : the detailed plan or arrangement of an electric circuit

2 : the components of an electric circuit

3 : the network of interconnected neurons in the nervous system and especially the brain also : circuit sense 4d

Examples of circuitry in a Sentence

Recent Examples on the Web

These readouts are less subjective than mood and their brain circuitries better understood, according to Darin Dougherty, a Massachusetts General Hospital psychiatrist who is taking that approach and is also funded by Darpa. Daniela Hernandez, WSJ, "Brain Data Could Read Moods, Potentially Treat Depression," 10 Sep. 2018 The new technology also involves adjustments to the electronic circuitry to allow the torpedo to better operate in its undersea environment. Kris Osborn, Fox News, "Navy pursues new stealthy heavyweight attack torpedo," 10 Sep. 2018 Smaller transistors allow chip makers to pack circuitry more densely, making for more powerful chips that potentially are also smaller and use less electricity. Ted Greenwald, WSJ, "Intel’s Chip Stumble Is Letting Rivals Pull Ahead," 24 June 2018 Important hints can be found within its circuitry, which is exceedingly uniform and parallel (just as batteries may be connected in parallel). Christof Koch, Scientific American, "What Is Consciousness?," 8 May 2018 More cars made in the United States would require more brake linings made in Mexico and more circuitry forged in China, using copper mined in Chile. Peter S. Goodman, New York Times, "The Era of Easy Money Is Ending, and the World Is Bracing for Shocks," 6 Feb. 2018 Producing chips with finer circuitry requires billions of dollars for new factories and equipment each time companies shift to a new generation. Ted Greenwald, WSJ, "Intel’s Chip Stumble Is Letting Rivals Pull Ahead," 24 June 2018 As an alternative, the researchers built a 10 millimeter by 30 millimeter IMBED with custom genetic circuitry and tested it in pigs. Beth Mole, Ars Technica, "This capsule of glowing E. coli will probe your gut for signs of trouble," 25 May 2018 Looking at lamprey brains has helped illuminate the fundamental circuitry involved in less conscious decision-making. Nick Heil, Outside Online, "Blame Your Junk Food Cravings on Your Unhealthy Brain," 3 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'circuitry.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of circuitry

1946, in the meaning defined at sense 1

Keep scrolling for more

Learn More about circuitry

Statistics for circuitry

Last Updated

10 Dec 2018

Look-up Popularity

Time Traveler for circuitry

The first known use of circuitry was in 1946

See more words from the same year

Keep scrolling for more

More Definitions for circuitry



English Language Learners Definition of circuitry

: a system or group of electric circuits


cir·​cuit·​ry | \ˈsər-kə-trē \

Medical Definition of circuitry 

1a : the detailed plan or arrangement of an electric circuit

b : the components of an electric circuit

2 : the network of interconnected neurons in the nervous system and especially the brain also : the neuronal pathways of the brain along which electrical and chemical signals travel

More from Merriam-Webster on circuitry

Spanish Central: Translation of circuitry

Nglish: Translation of circuitry for Spanish Speakers

Comments on circuitry

What made you want to look up circuitry? Please tell us where you read or heard it (including the quote, if possible).


to make faulty or ineffective

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!