circuit

B2 · Upper Intermediate Countable noun Sports

n. a track used for racing cars, motorcycles, or bicycles.

n. a track or course, typically circular or looping, used for competitive racing.

日本語:サーキット※

“The drivers completed fifty laps of the circuit before the rain started.”

“The Silverstone circuit is renowned among Formula One drivers for its high-speed corners and challenging technical sections.”

C1 · Advanced Countable noun Formal

n. a regular journey from place to place to do a job, like a judge or a performer.

n. a regular journey or series of visits made by a professional, such as a judge, preacher, or entertainer, to specific locations within a territory.

“The comedian spent three months on the comedy club circuit across the country.”

“Before the establishment of permanent courts, judges traveled a fixed circuit to hear cases in rural districts twice a year.”

B2 · Upper Intermediate Countable noun Sports

n. a series of different exercises that you do one after another.

n. a form of conditioning or resistance training using high-intensity aerobics and several different exercises performed in a sequence.

“Our gym instructor designed a difficult circuit that includes jumping jacks and weights.”

“To improve her cardiovascular endurance, she incorporated a twenty-minute circuit into her morning training regime three times a week.”

C1 · Advanced Countable noun Literary

n. the act of moving all the way around something in a circle.

n. the act of moving or revolving around a central point or along a boundary; a single complete revolution.

“The moon makes a slow circuit around the earth every month.”

“The hikers completed a full circuit of the lake, returning to their starting point just as the sun began to set.”

C1 · Advanced Countable noun AI

n. a specific group of connected neurons or attention heads in an AI model that works together to perform a single task.

n. a distinct computational subgraph within a neural network whose connected weights and activations collectively execute an interpretable functional algorithm.

“Researchers identified a circuit in the vision model that specifically detects circular shapes.”

“Mechanistic interpretability aims to reverse-engineer deep networks by decomposing their weights into discrete circuits responsible for indirect object identification.”