switch

B1 · Intermediate Countable noun

n. a change from one thing to another, or an exchange of positions.

n. an act of changing or swapping one thing for another, often involving a complete substitution.

日本語:乗り換え※

“The sudden switch in the weather caught the hikers without their rain coats.”

“The company's strategic switch from hardware to software services proved to be a turning point for its annual revenue.”

B2 · Upper Intermediate Countable noun Computing Technical

n. a device that connects computers in a network; also a command in programming.

n. a high-speed networking device that forwards data only to the specific destination port; also a programming construct for multi-way branching.

日本語:スイッチ※

“We need a new network switch to connect all the office computers to the internet.”

“The developer implemented a switch statement to handle the various user input cases more efficiently than a long chain of conditional blocks.”

C1 · Advanced Countable noun American English

n. a section of tracks that can move to send a train onto a different line.

n. a mechanism consisting of a pair of linked tapering rails that allows trains to be guided from one track to another.

“The train slowed down as it passed over the switch to enter the station.”

“The signalman manually operated the switch to divert the freight train onto the siding, allowing the express service to pass.”

A2 · Elementary

v. to change from one thing to another, or to trade places with someone.

v. to change or substitute one item, person, or state for another. Often used with 'over' or 'to'.

“Can we switch seats so I can sit next to the window?”

“Many consumers decided to switch to renewable energy providers following the recent increase in fossil fuel prices.”

A2 · Elementary

v. to turn something on or off using a button or lever.

v. to change the state of an appliance or circuit by operating a switch. Usually followed by 'on' or 'off'.

“Remember to switch off the computer before you leave the office.”

“The automated system is programmed to switch on the external security lights at dusk and deactivate them at dawn.”

C1 · Advanced Sports Technical

adj. riding a board or skis in the opposite direction of your normal style.

adj. referring to a stance or movement performed in the opposite direction to one's natural orientation.

“The snowboarder landed a switch trick perfectly during the competition.”

“Mastering the switch landing is essential for professional freestyle skiers who wish to compete at the highest international levels.”